Peculiar Endings of Verbs in μι

Singular.Plural.
ἵστη-
τίϑη-
δίδω-
δέικνυ-
1. -μι
2. -ς
3. -σι
ἵστα-
τιϑε-
δίδο-
δέικνυ-
1. -μεν
2. -τε
3. τιϑεισι
ἵστασι
δίδουσι
δέικνυσι

Λίδωμι has ω as a union-vowel throughout the subj. (pres. and 2d aor.) of both voices, and ἵστημι has α in the 2d and 3d sing., and 2d plur. of the subj. pres. All the other forms follow the inflection of the regular verb.