bbbb bbeb bbet bbfc bcbc bccc bcec bcet bcfc bctc bcuc bebb bebe beck becu beeb beef beek beet befe beff beft beke betc bete bett betu beuk bftt btcc btec btek btfc bttb bubb bube bubu bucc buce buck bucu bueu bufc bufe buff buke bukk buku but- bute butt cbbc cbcc cbce cbct cbcu cbec cbee cbef cbet cbfb cbfc cbtc cbtf ccbc cccb cccc cccf cccu ccee ccfc ccff cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cef- cefc ceke cet- cete cfbc cfbt cfcb cfcf cffb cftc cfte cftk ckbc ckbe ckck cktb ctcf ctec ctfc cub- cubb cube cucc cuce cuck cuek cufc cuff cuk- cuke cut- cutc cute cutt ebbc ebcc ebfc ecbc ecbe eccb eccc ecce ecct ecef ecfc ect- ectc ectf eeee eefe eeke eetc eete eetu efet efke eft- eftu ekeb ekek eket ekfc etbc etcc etec etee etfb etfc etfe ette ettu eubc eufc f--k fccf fcuk fece feck fect feeb feek feet fefc fefe feff feke fete fett fetu ffcc ffee ffff fftf ft-c ftfc ftub ftuc fubb fubu fuc- fuck fuct fuet fufc fuff fufu fuke fukk fuku fute futu kbbb kbbc kbbe kbbf kbbk kbbt kbbu kbcb kbce kbck kbct kbcu kbeb kbec kbee kbef kbek kbet kbfb kbfc kbff kbfk kbft kbkb kbkf kbkk kbtb kbtc kbte kbtf kbtk kbtt kbub kbuc kbue kbuf kbuk kbut kbuu kcbc kcbf kcbk kcbu kccb kccc kcck kcct kccu kceb kcec kcee kcet kceu kcfb kcfc kcft kckc kckf kckk kctb kctc kcte kctu kcub kcue kcuf kcuk kebb kebc kebe kebt kebu keck keef keek keet kefb kefc keff keft kekb kekc keke keku ket- ketc kete ketf ketk kett ketu kfbc kfbk kfbt kfcf kfeb kffb kfff kffk kfkb kftc kfte kftk kftt kftu kfut kkbb kkbe kkbt kkcb kkck kkct kkft kkkk kktc kktk kktu kkut kkuu ktbb ktbc ktbt ktbu ktcc ktce ktck ktec ktee ktek ktfb ktfc ktkb ktkc ktke ktkk ktkt ktku kttc kttf kttk kttt kttu ktub ktuc ktuf kubb kubc kube kubu kucb kucc kuce kuek kueu kufc kuff kuke kukk kuku kute kutf kutt kutu kuub kuuk kuuu tbcb tbcc tbce tccc tccu tcfc tctc tebu teck tect teec teef teek teet tefc teff teft teke tete tett tetu teuk teut tfcu tfeb tfec tftc ttbb ttfc ttff tttt tubb tube tubu tucc tuck tuet tufc tufe tuff tuft tufu tuke tute tutt tutu ubbe ubek ubet ubtf ucbc ucfb ucut ufcu uffe ufuk ukcc ukek ukeu utec uttu uutf uuuu