4 letter words:
heir7,
hero7,
hire7,
hoer7,
ergo5,
giro5,
goer5,
gore5,
ogre5,
3 letter words:
ghi7,
hog7,
her6,
hie6,
hoe6,
rho6,
ego4,
erg4,
gie4,
gor4,
reg4,
rig4,
ire3,
ore3,
rei3,
roe3,
2 letter words:
eh5,
he5,
hi5,
ho5,
oh5,
go3,
er2,
oe2,
oi2,
or2,
re2,