be bo er es et oe or os re so to
bet boo bos bot bro ers obe oes oot orb ore ors ort ose reb res ret rob roe rot ser set sob sot toe too tor
best bets boor boos boot bore bort bots broo bros eros erst obes oboe oots orbs ores orts rebs rest rets robe robs roes root rose rote roto rots soot sorb sore sort stob toes tore toro tors
besot boors boost boots bores borts broos brose oboes robes robot roose roost roots roset rotes rotos sober store tores toros torse torso
reboot robots sorbet strobe torose