Single Tone Groups
Variation in spellings and eight additional distinct sounds are possible using different သတ် | thut that goes on top of different characters. Thut looks like "c" or a small open bracket. Ta1 thut is the thut that goes on top the character "Ta1". Those are the common areas that spelling mistakes are made.
NOTE: When thut goes on top of the vowel au sounding words on top of yay3 cha1, it is called ရှေ့ထိုး | shay1 hto3. Examples: ကော်၊ ဆော်၊ ဪ | kau2, hsau2, au2. Also note that ဪ should be typed with a single keystroke as a whole in unicode standard.