6 letter words:
zither18,
5 letter words:
hertz17,
ither8,
their8,
4 letter words:
ritz13,
heir7,
hire7,
thir7,
rite4,
tier4,
tire4,
3 letter words:
zit12,
eth6,
her6,
het6,
hie6,
hit6,
the6,
ire3,
rei3,
ret3,
tie3,
2 letter words:
eh5,
he5,
hi5,
er2,
et2,
it2,
re2,
ti2,