-er -ey bbb bbc bbe bbk bbo bbr bbt bby bcb bcc bce bck bco bcr bct bcy be- beb bec bee bek beo ber bet bey bkb bkc bke bkk bko bkr bkt bob boc boe bok boo bor bot boy brb bre brk bro brr brt bry btb btc bte btk bto btr btt bty by- byc bye byk byo byr byt c-- cbb cbc cbe cbk cbo cbr cbt cby ccb ccc cce cck cco ccr cct ce- ceb cec cee cek ceo cer cet cey ckb ckc cko ckt cky co- cob coc coe cok coo cor cot coy crb crc cre crk cro crr crt cry ctb ctc cte ctk cto ctr ctt cty cyb cyc cye cyk cyo cyr cyt ebb ebc ebe ebk ebo ebr ebt eby ec- ecb ecc ece eck eco ecr ect eeb eec eee eek eeo eer eet eey ekb ekc eke eko ekr ekt eky eo- eob eoc eoe eok eoo eor eot erb erc ere erk ero err ert ery etb etc ete etk eto etr ett ety eyc eye eyo eyr eyt k-t kbb kbc kbe kbk kbo kbr kcb kcc kce kck kcr kct ke- keb kec kee kek keo ker ket key kkb kkc kke kkk kkr kkt kky kob koc koe kok koo kor kot koy krc krk kro krr krt kry ktb ktc kte ktk kto ktr ktt kyc kye kyo kyr kyt ob- obb obc obe obk obo obr obt oby oc- ocb occ ock oco ocr oct oeb oec oee oeo oer oet oey okb okc oke okk oko okr oo- oob ooc ook ooo oor oot or- orb orc ore ork oro orr ort ory ot- otb otc ote otk oto otr ott oye oyo rbb rbc rbe rbk rbo rbr rbt rcb rcc rce rco rcr rct re- reb rec ree rek reo rer ret rey rkb rkc rke rkk rko rkt rky rob roc roe rok roo ror rot roy rrb rrc rrk rrr rrt rtb rtc rte rtk rto rtr rtt rty ry- ryc rye ryk ryo ryr ryy tbb tbc tbe tbk tbo tbr tbt tcb tcc tce tck tco tcr tct te- teb tec tee tek teo ter tet tey tkb tkc tke tkk tko tkr tkt tky to- tob toc toe tok too tor tot toy trb trc tre trk tro trr trt try ttb ttc tte ttk tto ttr ttt tty tyc tye tyo tyr tyt ybc ybe ybr yby ycc yce yco ycy yeb yec yee yek yeo yer yet yey ykk yob yoc yoe yok yoo yor yot yoy yrc yre yro yrt ytc yte ytk yto ytr ytt yyb yyc yye yyt yyy

bbbb bbeb bbet bboy bbrc bbyo bcbc bccc bcec bcer bcet bcor bctc bebb bebe bebo beby beck beeb beek beer beet beey beke beko beo- beok beor beot berc bere berk bero berr bert bery betc bete beto bett beye beyk beyt bkcy bkry bobb bobe bobo boby boce bock boco boec boee boeo boer boet boey boke boko boob booc booe book boor boot bor- bore bork boro borr bort bory botb bote boto bott boty boye boyo brcb brce breb brec bree brek breo brer bret brey brkb brob broc broe brok broo bror brot brrr brtc bry- brye bryk bryo btcc btec btek btob btor btrc btrt btry bttb byce byck byer byke byob byoc byre byrk byrt byte c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbko cbkr cbot cbre cbrt cbry cbtc cbyt ccbc cccb cccc ccee ccob ccoc ccrc ccre ccrt cctb cctc cctt cec- cece ceco cect ceeb ceec ceke ceor cer- cerc cere cero cert cery cet- cete ceto ckbc ckbe ckck ckco ckcy cker ckey ckob ckoc ckoo ckor ckot ckoy ckrc ckry cktb ckty cobb cobe cobo coby coce cock coco coct cok- coke coko coky coob cook coot cor- corb corc core cork coro corr cort cory cotb cotc cote coto cott coty coyo coyr coyt crbc crcc crce crcr cre- creb crec cree creo cret crkc crob croc croe crok croo cror crot croy crrt crtc cry- cryb cryo ctec ctor ctot ctrc cybb cybc cybo cyc- cycb cycc cyke cyre cyrk cyrt cyt- cytb cyte cyto cyy- cyyc ebbc ebbo ebbr ebby ebcc eber eboe eboo ebor eboy ebro ecbc ecbe eccb eccc ecce ecco ecct ecko ecky eco- ecot ecrc ecrr ect- ectc ecto eeby eeee eeke eeoc eerc eero eery eetc eete ekco ekeb ekek eker eket eore eotc eoto erbb erbe ercc erce ereb erec erer eret erke erob eroc eroe eroo errc erre erro eryc erye etbc etbr etcc etco etec etee eter etoe etok etoy etre etro ette etto etty eyck eyeb eyec eyer eyet eyey eyke eyot eyre eyry eyte eyyr kbbb kbbc kbbe kbbk kbbo kbbr kbbt kbcb kbce kbck kbco kbcr kbct kbcy kbeb kbec kbee kbek kbeo kber kbet kbey kbkb kbkk kbko kbkr kbky kbob kboc kboe kbok kboo kbot kbrb kbrc kbre kbrk kbro kbrt kbry kbtb kbtc kbte kbtk kbto kbtr kbtt kbyb kbyo kbyr kcbc kcbk kcbr kccb kccc kcck kccr kcct kccy kceb kcec kcee kceo kcet kcey kckc kckk kcko kckr kcky kcob kcoe kcor kcot kcrc kcro kcrr kcrt kcry kctb kctc kcte kcto kcty kcye kcyk kcyt kcyy kebb kebc kebe kebr kebt keck keco kecr keek keer keet kekb kekc keke keko keok ker- kerb kerc kere kerk kero kerr kert ket- ketc kete ketk keto ketr kett kety keyb keye keyy kkbb kkbe kkbo kkbr kkbt kkcb kkck kkco kkcr kkct kkcy kkkk kkob kkoo kkor kkot kkoy kkrb kkrc kkre kkrk kkro kkrr kkrt kktc kktk kkty kkyc kkyy kobb kobc kobe kobk kobo kobr koby kocb kock koct kokb kokc koke kokk koko kokr koky koob kooc kook kooo koor koot korb korc kore kork koro korr kort kotb kotc kote kotk koto kotr kott koty koye koyo koyt