STUBBORNEST

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bens bent best bets bobs bone bore born bort boss bots bott bout bren bros brut bubo bubs buns bunt burb burn burs buss bust bute buts butt ebbs ebon eons erns eros erst euro nebs ness nest nets nett nobs noes nose note nous nubs nuts obes ones onus orbs ores orts oses ours oust outs rebs rent rest rets robe robs roes rose rote rots roue rout rube rubs rues rune runs runt ruse rust ruts sent sers sets sett snob snot snub sobs sone sons sorb sore sorn sort sots sour sous stet stob stot stub stun subs suer sues suet suns sure tens tent tern test tets toes tone tons tore torn tors tort toss tost tote tots tour tout tres tret trot true tube tubs tune tuns turn tuts unbe unto urbs urns user uses utes