-er -ey b-u bbb bbc bbe bbk bbr bbt bbu bby bcb bcc bce bck bcr bct bcu bcy be- beb bec bee bek ber bet beu bey bkb bkc bke bkk bkr bkt brb bre brk brr brt bru bry btb btc bte btk btr btt btu bty bub buc bue buk bur but buu buy by- byc bye byk byr byt byu c-- cbb cbc cbe cbk cbr cbt cbu cby ccb ccc cce cck ccr cct ccu ce- ceb cec cee cek cer cet ceu cey ckb ckc ckt cky crb crc cre crk crr crt cru cry ctb ctc cte ctk ctr ctt ctu cty cub cuc cue cuk cur cut cuu cuy cyb cyc cye cyk cyr cyt ebb ebc ebe ebk ebr ebt ebu eby ec- ecb ecc ece eck ecr ect ecu eeb eec eee eek eer eet eey ekb ekc eke ekr ekt eku eky erb erc ere erk err ert eru ery etb etc ete etk etr ett etu ety eu- eub euc eue eur eut eyc eye eyr eyt k-t kbb kbc kbe kbk kbr kbu kcb kcc kce kck kcr kct kcu ke- keb kec kee kek ker ket key kkb kkc kke kkk kkr kkt kku kky krc krk krr krt kru kry ktb ktc kte ktk ktr ktt ktu kub kuc kue kuk kur kut kuu kuy kyc kye kyr kyt kyu rbb rbc rbe rbk rbr rbt rbu rcb rcc rce rcr rct rcu re- reb rec ree rek rer ret reu rey rkb rkc rke rkk rkt rku rky rrb rrc rrk rrr rrt rru rtb rtc rte rtk rtr rtt rtu rty rub ruc rue ruk rur rut ruu ruy ry- ryc rye ryk ryr ryu ryy tbb tbc tbe tbk tbr tbt tbu tcb tcc tce tck tcr tct tcu te- teb tec tee tek ter tet teu tey tkb tkc tke tkk tkr tkt tky trb trc tre trk trr trt tru try ttb ttc tte ttk ttr ttt ttu tty tub tuc tue tuk tur tut tuu tuy tyc tye tyr tyt ubb ubc ube ubk ubr ubt ubu uby ucb ucc uce uck ucr uct ucu ueb uec uee uer uet uey ukb ukc uke ukk ukr uku ur- urb urc ure urk urr urt uru ury utb utc ute utk utr utt utu uty uuc uue uur uut uuu uyc uyu ybc ybe ybr yby ycc yce ycu ycy yeb yec yee yek yer yet yey ykk yrc yre yrt yru ytc yte ytk ytr ytt ytu yue yuk yur yut yuu yuy yyb yyc yye yyt yyu yyy

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