University of Nebraska – Lincoln uses an orthography similar to the orthographic style of Alice C. Fletcher and Francis La Flesche in "The Omaha Tribe" to transcribe the Umóⁿhoⁿ language.
| Symbol | Letter Name | 2003 | 2018 | Umóⁿhoⁿ examples | American English examples | Notes |
| ◌◌ | unmarked | ččèshka | Held long or tense unaspirated consonant | |||
| ◌ʰ◌ | óⁿpʰoⁿ | Aspirated consonant (Unicode 02B0) - All capitals version ◌ᴴ (Unicode 1D34) | ||||
| ◌̣ | unmarked | x̣agé | Muted consonant (Underdot, Unicode 0323) | |||
| ◌̌ | táx̌ti | Harsh consonant (Hacek, Unicode 030C) | ||||
| ◌ⁿ◌ | óⁿba | Nasalized vowel (Unicode 207F) - All capitals version ◌ᴺ (Unicode 1D3A). IPA suggests that a superscript "n" be used but we have had troubles with superscript format being lost when changing versions of editors so we have chosen to use a Unicode marker for nasalization. | ||||
| ◌̀ | unmarked | wèduba | Accented syllable, pitch falling (Grave, Unicode 0300) | |||
| ◌́ | stressed syllable default | wiwítta | Accented syllable, pitch rising (Acute, Unicode 0301) | |||
| ◌̂ | unmarked | shêtʰe | Accented vowel in which the pitch rises and falls (Circumflex, Unicode 0302) | |||
| ◌̄ | unmarked | āthada | Accented syllable with a moderately long vowel (Macron, Unicode 0304) | |||
| ◌ˀ◌ | tˀé | Glottal stop (Unicode 02C0). (capitalizing ʡùde or ˀÙde, consensus seems to be ˀÙde; ʡ Unicode 02A1) Has been marked as ?◌ or ◌? | ||||
| ε | hóⁿεⁿgoⁿče | only used nasalized (Unicode 025B) | ||||
| ˀáˀa | ? | ˀ◌ | ˀùde | uh–oh | Glottal stop | |
| a | a | a | ská | father, Lisa | vowel | |
| oⁿ | oⁿ | oⁿ | óⁿba, zhōⁿ, zhòⁿ | yawn, concise, phone | low back vowel, nasalized a; single sound without a distinct a or n (aⁿ in Ponka, Dorsey uses aⁿ) | |
| be | b | b | bi amá | boy | ||
| če | ch | č | ččèga x̌či | church | un–aspirated ch | |
| če-dídiⁿ | unmarked | čč | ččèshka | gotcha | ||
| če-ha | chʰ | čʰ | iⁿčʰòⁿga | church | sometimes left unmarked | |
| de | d | d | dúba, dūba | dog | ||
| e | e | e | shé, tʰe, wèduba | weight, Las Vegas, | vowel | |
| εⁿ | εⁿ | hóⁿεⁿgoⁿče | pet | vowel like ε, the sound in “pet”, but nasalized | ||
| ge | g | g | égoⁿ | girl | ||
| ha | h | h | huhú | high | ||
| i | i | i | sí | feet, radiant | vowel | |
| iⁿ | iⁿ | iⁿ | wíⁿ | mean, machine | vowel, nasalized i; without a fully pronounced n | |
| jútta | j | j | júba | judge | ||
| ka | k | k | ké | skate | un–aspirated k | |
| ka-dídiⁿ | unmarked | kk | kké | |||
| ka-ha | kʰ | kʰ | akʰí | kettle | aspirated k | |
| mi | m | m | mí | man | ||
| ni | n | n | nú | no | ||
| o | o | o | ho | hold, go | vowel (only found in modern Omaha) | |
| pe | p | p | pá | spit | un–aspirated p | |
| pe-dídiⁿ | unmarked | pp | ppá | |||
| pe-ha | pʰ | pʰ | óⁿpʰoⁿ | pit | aspirated p | |
| pe-ˀáˀa | pˀ | uh–oh | glottal stop released right after p | |||
| sa | s | s | sábe | sun | ||
| sa-shtóⁿga | unmarked | ṣ | like s but muted | |||
| sa-ˀáˀa | sˀ | uh–oh | glottal stop released right after s | |||
| she | sh | sh | shé | ship | (Larson uses š) | |
| she-shtóⁿga | unmarked | ṣh | like sh but muted | |||
| she-ˀáˀa | shˀ | uh–oh | glottal stop released right after sh | |||
| te | t | t | té | stop | un–aspirated t | |
| te-dídiⁿ | unmarked | tt | ttāshka | |||
| te-ha | tʰ | tʰ | atʰí | top | aspirated t | |
| te-ˀáˀa | tˀ | tˀ | tˀé | uh–oh | glottal stop released right after t | |
| tha | th | th | tháwa | not in English; ledh, a sound transitioning from l to th (Larson uses r) (IPA approximation l͡ð) | ||
| u | u | u | ttú | blue, loot | vowel | |
| uⁿ | uⁿ | iⁿgthúⁿga | spoon | vowel, nasalized u; single sound without a distinct u or n | ||
| wau | w | w | waˀú | wing | ||
| x̣a | gh | x̣ | x̣agé | sagen in German | soft or voiced x, (Dorsey uses x) | |
| x̌u | x̌ | x̌ | táx̌ti | Bach in German | harsh x; (Dorsey uses q) | |
| y | ya | yes | ||||
| ze | z | z | zí | zoo | ||
| zhu | zh | zh | zhíⁿga | beige, vision | (Larson uses ž, Dorsey uses j) |
The diacritic marks used here are IPA symbols in Unicode fonts. You can download the font Charis SIL from http://www.sil.org. 2003: University of Nebraska–Lincoln Omaha Language class, fall 2002 through spring 2004. 2018: is from The Omaha Language and the Omaha Way. Also see James Owen Dorsey's Degiha Language.