"Key:" The chart follows the one given in , with a few alterations. Root shapes refer to an initial consonant C, a nucleus "" or a full vowel V, and final consonants including plain voiceless obstruents (T), voiced obstruents (D), glides (Y), other sonorants (R) and glottalized versions of each of T and R (Tʼ and Rˀ). Cells show the effect of suffixes belonging to the various classes (columns) on roots or stems of various shapes (rows). = indicates that the suffix leaves the stem unchanged. – indicates that the suffix triggers vowel lengthening in the stem (often causing to turn into ). A cell with a vowel ( or ) indicates that the stem vowel is replaced with the vowel in the cell. Several symbols occurring together with + in the middle indicates that reduplication occurs; the symbols on each side of + indicate the shape of each syllable of the reduplicative stem.