This is a quick cheat sheet for the sounds found in Nahuatl.
There are at least 2 i sounds in Nahuatl. In terms of all possible i sounds, there is the basic most common i sound, the secondary i sound, and the tertiary i sound, as well as long and nasal forms of each.
| i | i | Like "ee" sound. | i | 
| i% | i_ | Long "ee" sound. | iː | 
There are at least 2 e sounds in Nahuatl. In terms of all possible e sounds, there is the basic most common e sound, the secondary e sound, and the tertiary e sound, as well as long and nasal forms of each.
| e | e | Like "day" sound. | e | 
| e% | e_ | Long "day" sound. | eː | 
There are at least 2 a sounds in Nahuatl. In terms of all possible a sounds, there is the basic most common a sound, the secondary a sound, and the tertiary a sound, as well as long and nasal forms of each.
| a | a | Like "ah" in father sound. | a ɑ ä | 
| a% | a_ | Long "ah" sound. | aː | 
There are at least 2 o sounds in Nahuatl. In terms of all possible o sounds, there is the basic most common o sound, the secondary o sound, and the tertiary o sound, as well as long and nasal forms of each.
| o | o | Like "oh" sound. | o | 
| o% | o_ | Long "oh" sound. | oː | 
There is at least 1 m sound in Nahuatl. Notice the English m and mm have a similar shape.
| m | m | Regular m | m | 
There is at least 1 n sound in Nahuatl. Notice the English n and nn have a similar shape.
| n | n | Regular n | n | 
There is at least 1 p sound in Nahuatl.
| p | p | Regular p | p | 
There is at least 1 t sound in Nahuatl.
| t | t | Regular t | t | 
There are at least 2 k sounds in Nahuatl.
| k | k | Regular k | k | 
| k33 | kw~ | Labialized k | kʷ | 
There is at least 1 y sound in Nahuatl. Notice the English y and yy have a similar shape, although the Tone yy is like a Tone OO with a tail.
| y | y | Regular y | j | 
There is at least 1 w sound in Nahuatl. Notice the English w and ww have a similar shape.
| w | w | Regular w | w | 
There is at least 1 ' sound in Nahuatl. This is a glottal stop in its base form.
| ' | ' | Regular ', used a lot in Hebrew and Arabic, amongst other languages | ʔ | 
There is at least 1 sh sound in Nahuatl.
| x | x | Regular sh | ʃ | 
There is at least 1 l sound in Nahuatl.
| l | l | Regular l | l | 
There are at least 2 s sounds in Nahuatl.
| s | s | Regular s | s | 
| s5 | S | Rough s (used a lot in Native American languages) | ɬ | 
There is at least 1 ch sound in Nahuatl.
| tx | tx | Regular ch sound (like English "chip") | tʃ |