6 letter words:
reurge7,
5 letter words:
regie6,
regur6,
rerig6,
urger6,
4 letter words:
eger5,
euge5,
gere5,
girr5,
gree5,
grue5,
urge5,
iure4,
ruer4,
3 letter words:
erg4,
gee4,
gie4,
gue4,
gur4,
reg4,
rig4,
rug4,
ere3,
err3,
ire3,
ree3,
rei3,
rue3,
ure3,
2 letter words:
gi3,
gu3,
ug3,
ee2,
er2,
re2,
ur2,