SUBRECTOR

be bo er es et oe or os re so to us ut

bes bet bos bot bro brr bur bus but cob cor cos cot cru cub cue cur cut ecu err ers obe oes orb orc ore ors ort ose our out reb rec res ret rob roc roe rot rub rue rut sec ser set sob sot sou sub sue toe tor tub urb use ute uts

best bets bore bort bots bout bros brut burr burs bust bute buts cero cobs core cors cost cote cots crus cube cubs cues curb cure curr curs curt cute cuts ecru ecus eros errs erst euro obes orbs orcs ores orts ours oust outs rebs recs rest rets robe robs rocs roes rose rote rots roue rout rube rubs ruer rues ruse rust ruts scot scut sect sorb sore sort sour stob stub suer suet sure toes torc tore torr tors tour tres true tube tubs urbs user utes