α β γ δ ε ζ θ κ λ μ ν ξ ο π σ τ υ φ χ ψ ἀ ἁ ἄ ἅ ἆ ἐ ἑ ἔ ἕ ἠ ἡ ἤ ἥ ἦ ἧ ἰ ἱ ἴ ἵ ἶ ὀ ὁ ὄ ὅ ὑ ὕ ὗ ὠ ὡ ὤ ὥ ὦ ὧ ᾄ ᾅ ᾠ ῥ

Letter ἕ has 12 occurences.

Count	word	def
108	ἕβδομος	seventh
283	ἕκαστος	each or every
40	ἕκτος	sixth
13	ἕλκος	an ulcer (as if drawn together)
20	Ἕλλην	a Hellen (Grecian) or inhabitant of Hellas; by extension a Greek-speaking person, especially a non-Jew
22	ἕνδεκα	one and ten, i.e. eleven
137	ἕνεκα	on account of
118	ἕξ	six
2	ἕξις	habit, i.e. (by implication) practice
280	ἕτερος	(an-, the) other or different
38	ἕτοιμος	adjusted, i.e. ready
1220	ἕως	a conjunction, preposition and adverb of continuance, until (of time and place)