Things to know about Tohono O'odham
O'odham is a member of the Ute-Aztecan language family, spoken in the southern part of Arizona and the northern part of the Mexican state of Sonora. There are several dialects, including Tohono O'odham (formerly called Papago) and Akimel O'odham (sometimes called Pima). This topic applies to Tohono O'odham.
Typing Tohono O'odham Characters
Tohono O'odham is written in a variation of the Latin alphabet that includes several special characters. There are two ways to type these characters:
The simplest method is to use the character suggestions. To do so, type the base character for the letter you want, then select the special character from the set of characters which appears.
The other method is to use the virtual keyboard with the layout set to Tohono O'odham. (If necessary, you can change the layout by clicking 
and selecting an option in the Keyboard Language menu.)
Locate the character you want on the virtual keyboard, then click on it or press the corresponding key on your physical keyboard. Capital letters and certain punctuation marks, such as the question mark, are available by holding down the Shift key.
See Typing Accents and Special Characters for details on both typing methods.