7 letter words:
regorge9,
6 letter words:
bogger10,
greebo9,
gorger8,
rebore8,
5 letter words:
gerbe8,
grebe8,
boree7,
borer7,
breer7,
brere7,
egger7,
gorge7,
grege7,
grego7,
reggo7,
roger6,
4 letter words:
bego7,
berg7,
brog7,
beer6,
bere6,
bore6,
bree6,
brer6,
grog6,
robe6,
eger5,
ergo5,
gere5,
goer5,
gore5,
gree5,
ogee5,
ogre5,
rego5,
rore4,
3 letter words:
beg6,
bog6,
gob6,
bee5,
bor5,
bro5,
brr5,
egg5,
obe5,
orb5,
reb5,
rob5,
ego4,
erg4,
gee4,
geo4,
goe4,
gor4,
reg4,
ere3,
err3,
ore3,
ree3,
reo3,
roe3,
2 letter words:
be4,
bo4,
ob4,
go3,
ee2,
er2,
oe2,
or2,
re2,