SUPERBRAINS

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abs ain air ais ane ani ape arb are ars asp ass ban bap bar bas ben bes bin bis bra brr bun bur bus ear eau ens era ern err ers ess ins ire nab nae nap neb nib nip nub nus pan par pas pea pen per pes pia pie pin pis piu psi pub pun pur pus rai ran rap ras reb rei rep res ria rib rin rip rub rue run sab sae sap sau sea sei sen ser sib sin sip sir sis spa sri sub sue sun sup uns ups urb urn urp use

abri ains airn airs anes anis anus aper apes apse arbs ares arse asps bane bani bans baps bare barn bars base bass bean bear beau bens bias bier bine bins birr bise brae bran bras bren brie brin bris buna buns bura burn burp burr burs buss earn ears eras erns errs ires isba nabe nabs nape naps neap near nebs ness nibs nipa nips nubs pain pair pane pans pare parr pars pase pass pean pear peas pein pens peri pian pias pier pies pina pine pins pirn piss prau psis pubs puna puns pure puri purr purs puss rain rais rani rape raps rare rase rasp reap rear rebs rein reis reps rias ribs rins ripe rips rise rube rubs ruer rues ruin rune runs ruse sabe sabs sain sane sans saps sari sear seas seis sera sers sibs sine sins sipe sips sire sirs snap snib snip snub spae span spar spas spin spue spun spur sris suba subs suer sues suns supe sups sura sure unai unbe upas urbs urea urns urps ursa user uses