bbbb bbeb bbet bbrc bcbc bccc bcec bcer bcet bcru bctc bcuc bebb bebe beby beck becu beeb beek beer beet beey beke berc bere berk berr bert beru bery betc bete bett betu beuk beur beye beyk beyt bkcy bkry brcb brce breb brec bree brek brer bret brey brkb brrr brtc bruc brue brut bry- brye bryk btcc btec btek btrc btrt btry bttb bubb bube bubu bucc buce buck bucu buer bueu buke bukk buku buky bur- burb bure burk burr burt buru bury but- bute butt buty buyu byce byck byer byke byre byrk byrt byte cbbc cbcc cbce cbcr cbct cbcu cbec cbee cber cbet cbkr cbre cbrt cbry cbtc cbyt ccbc cccb cccc cccu ccee ccrc ccre ccrt cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec ceke cer- cerc cere cert cery cet- cete ceyu ckbc ckbe ckck ckcy cker ckey ckrc ckry cktb ckty crbc crbu crcc crce crcr cre- creb crec cree cret creu crkc crrt crtc crub crue cruk crut cry- cryb ctec ctrc cub- cubb cube cuby cucc cuce cuck cuek cuer cuk- cuke curb cure curr curt cury cut- cutc cute cutt cuy- cuyr cybb cybc cyc- cycb cycc cyke cyre cyrk cyrt cyt- cytb cyte cyy- cyyc ebbc ebbr ebby ebcc eber ebru ebur ecbc ecbe eccb eccc ecce ecct ecky ecrc ecrr ecru ect- ectc eeby eeee eeke eerc eery eetc eete eetu ekeb ekek eker eket ekur erbb erbe ercc erce ereb erec erer eret erke errc erre ertu erub eruc erur eryc erye etbc etbr etcc etec etee eter etre ette ettu etty eubc euer eur- eurc eure eurt eury eyck eyeb eyec eyer eyet eyey eyke eyre eyry eyte eyyr kbbb kbbc kbbe kbbk kbbr kbbt kbbu kbcb kbce kbck kbcr kbct kbcu kbcy kbeb kbec kbee kbek kber kbet kbey kbkb kbkk kbkr kbky kbrb kbrc kbre kbrk kbrt kbru kbry kbtb kbtc kbte kbtk kbtr kbtt kbub kbuc kbue kbuk kbur kbut kbuu kbuy kbyb kbyr kbyu kcbc kcbk kcbr kcbu kccb kccc kcck kccr kcct kccu kccy kceb kcec kcee kcet kceu kcey kckc kckk kckr kcky kcrc kcrr kcrt kcru kcry kctb kctc kcte kctu kcty kcub kcue kcuk kcye kcyk kcyt kcyy kebb kebc kebe kebr kebt kebu keck kecr keek keer keet kekb kekc keke keku ker- kerb kerc kere kerk kerr kert keru ket- ketc kete ketk ketr kett ketu kety keur keyb keye keyu keyy kkbb kkbe kkbr kkbt kkcb kkck kkcr kkct kkcy kkkk kkrb kkrc kkre kkrk kkrr kkrt kktc kktk kktu kkty kkut kkuu kkyc kkyy krbb krbe krbk krbr krbt krcb krcc krce krcu kreb krec kree krek kret kreu krkc krke krkk krkr krku krky krrb krrc krre krrk krrr krrt krry krtc krtk krtr krty kruc krue kruk krur krye kryk kryy ktbb ktbc ktbr ktbt ktbu ktby ktcc ktce ktck ktcr ktcy ktec ktee ktek ktkb ktkc ktke ktkk ktkr ktkt ktku ktrb ktrc ktre ktrk ktrr ktrt ktru ktry kttc kttk kttr kttt kttu ktty ktub ktuc ktyr kubb kubc kube kubr kubu kuby kucb kucc kuce kucr kuek kueu kuke kukk kuku kuky kurb kure kurk kurr kurt kuru kury kute kutr kutt kutu kuty kuub kuuk kuur kuuu kuyu kuyy kybb kybc kybe kybr kyby kycc kyck kycr kyct kyee kyet kykc kyke kykk kykr kyky kyrc kyre kyrk kytc kyte kytt kyty kyuk kyur kyuu kyyk kyyt kyyy rbbb rbbr rcbc rccb rccc rcet rctc rcyc rebb rebe rebk rebu recc rece reck recr rect recu recy reeb reek reet reke rekt reky rere rert reru rery rete retr rett rety reue reuk reut reuu reye reyk rrrr rtcc rtce rtee rubb rube rubu ruby ruce ruck ruct ruer ruet ruke rukk ruku rurc rure ruru rute rutt rutu ruty rybe ryck ryeb ryet ryke rytt ryue ryuk ryyt tbcb tbcc tbce tbrb tcby tccc tccu tctc tebu teck tecr tect teec teek teer teet teke ter- terc tere terk terr teru tery tete tetr tett tetu teuk teut teye teyk teyr tkey trcc tre- trec tree trek tret treu trey trtc trte trtr trub truc true truk trut truu try- tryb trye ttbb tter tttt tubb tube tubr tubu tucc tuck tuer tuet tuey tuke turb turc ture turk turr turt turu tury tute tutt tutu tuty tuye tyce tyck tyee tyek tyer tyet tyke tyr- tyre tyrr tyte tytt tyty ubbe ubek uber ubet ucbc ucky ucrc ucut ukcc ukek ukeu ukky ukrc ukur urbe urcy ure- uret urey urke urre urry urte uruk urur urut utby utec uter uttu uuuu uyre yber ybet ybry yccc ycee yctc ye-u yeck yeek yeer yeet yeke yerb yere yerk yerr yert yery yete yett yeue yeuk yeye yeyr ykey ykut ykyt yrke ytky ytre yubu yuce yuck yuer yuke yuku yuky yure yurt yury yute yutu yuty yuye yuyu yyyy