8 letter words:
hygienic17,
6 letter words:
hyenic14,
eching12,
echini11,
hieing10,
5 letter words:
hying12,
chine10,
niche10,
yince10,
eying9,
hinge9,
neigh9,
genic8,
icing8,
genii6,
4 letter words:
yech12,
chin9,
inch9,
nigh8,
cine6,
nice6,
gien5,
3 letter words:
hey9,
yeh9,
chi8,
hic8,
ich8,
icy8,
gey7,
ghi7,
cig6,
hen6,
hie6,
hin6,
yen6,
yin6,
ice5,
eng4,
gen4,
gie4,
gin4,
neg4,
2 letter words:
eh5,
he5,
hi5,
ye5,
en2,
in2,
ne2,