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aa ab ae ar as at ba be er es et ka re ta

aas aba abs ace act arb arc are ark ars art ask ass ate att baa bar bas bat bes bet bra cab car cat ear eat era ers ess eta kab kae kas kat kea ras rat reb rec res ret sab sac sae sat sea sec ser set ska tab tae tar tas tat tea tet tsk

abas abet aces acre acta acts arak arbs arcs area ares arks arse arts asea asks ates baas back bake bare bark bars base bask bass bast bate bats batt beak bear beat beck berk best beta bets brae bras brat cabs caca cake carb care cark cars cart casa case cask cast cate cats ceca cess crab ears east eats eras erst etas kaas kabs kaes kart kata kats kbar keas kerb race rack rake rase rate rats rebs reck recs rest rets sabe sabs sack sacs sake sark sate scab scar scat sear seas seat secs sect sera sers seta sets sett skas skat stab star stat stet tabs tace tack tact taka take tare tars tart task tass tate tats teak tear teas teat test tets trek tres tret tsar tsks