bbbb bbeb bbet bcbc bcbg bccc bcec bcet bctc bcuc bebb bebe beck becu beeb beeg beek beet begg begu beke betc bete bett betu beuk btcc btec btek bttb bubb bube bubu bucc buce buck bucu bueu buge bugg buke bukk buku but- bute butt cbbc cbcc cbce cbct cbcu cbec cbee cbet cbgb cbkg cbtc ccbc cccb cccc cccu ccee ccgc ccgt cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cege ceke cet- cete cgcc cgcg cgtu ckbc ckbe ckck cktb ctec ctge ctgu cub- cubb cube cucc cuce cuck cuek cuk- cuke cut- cutc cute cutt ebbc ebcc ecbc ecbe eccb eccc ecce ecct ect- ectc eeee eeke eetc eete eetu egbe egbu egcc egcg egec egee eggb egge egte egtk ekeb ekek eket etbc etcc etec etee ette ettu eubc euge gc-c gcbc gccc gcet gctc gebe gece geck geek geet gege gegg getb gete getg getk gett geue ggbt gggg gubb gubu guck gugb guge gugg gugu gute gutt gutu kbbb kbbc kbbe kbbg kbbk kbbt kbbu kbcb kbce kbck kbct kbcu kbeb kbec kbee kbek kbet kbgb kbge kbgg kbgt kbkb kbkg kbkk kbtb kbtc kbte kbtk kbtt kbub kbuc kbue kbuk kbut kbuu kcbc kcbk kcbu kccb kccc kcck kcct kccu kceb kcec kcee kceg kcet kceu kcgc kckc kckk kctb kctc kcte kctu kcub kcue kcuk kebb kebc kebe kebt kebu kecg keck keek keet kege kegg kegk kekb kekc keke keku ket- ketc kete ketk kett ketu keug kgbb kgbc kgbt kgcb kgcc kgce kgeb kgec kget kggg kgtk kkbb kkbe kkbg kkbt kkcb kkck kkct kkeg kkgb kkkk kktc kktk kktu kkut kkuu ktbb ktbc ktbg ktbt ktbu ktcc ktce ktck ktec ktee kteg ktek ktge ktgg ktkb ktkc ktke ktkk ktkt ktku kttc kttg kttk kttt kttu ktub ktuc ktug kubb kubc kube kubu kucb kucc kuce kuek kueu kugb kuge kuke kukk kuku kute kutt kutu kuub kuuk kuuu tbcb tbcc tbce tccc tccu tctc tebu teck tect teec teek teet tegg tegt tegu teke tete tett tetu teuk teut tgcc tgtc tkkg ttbb ttkg tttt tubb tube tubu tucc tuck tuet tugg tugu tuke tute tutt tutu ubbe ubek ubet ucbc ucut ugcc ugcg uggt uguu ukcc ukek ukeu utec uttu utug uuuu