-er -ey b-u bbb bbc bbe bbr bbt bbu bby bcb bcc bce bcr bct bcu bcy be- beb bec bee ber bet beu bey brb bre brr brt bru bry btb btc bte btr btt btu bty bub buc bue bur but buu buy by- byc bye byr byt byu c-- cbb cbc cbe cbr cbt cbu cby ccb ccc cce ccr cct ccu ce- ceb cec cee cer cet ceu cey crb crc cre crr crt cru cry ctb ctc cte ctr ctt ctu cty cub cuc cue cur cut cuu cuy cyb cyc cye cyr cyt ebb ebc ebe ebr ebt ebu eby ec- ecb ecc ece ecr ect ecu eeb eec eee eer eet eey erb erc ere err ert eru ery etb etc ete etr ett etu ety eu- eub euc eue eur eut eyc eye eyr eyt rbb rbc rbe rbr rbt rbu rcb rcc rce rcr rct rcu re- reb rec ree rer ret reu rey rrb rrc rrr rrt rru rtb rtc rte rtr rtt rtu rty rub ruc rue rur rut ruu ruy ry- ryc rye ryr ryu ryy tbb tbc tbe tbr tbt tbu tcb tcc tce tcr tct tcu te- teb tec tee ter tet teu tey trb trc tre trr trt tru try ttb ttc tte ttr ttt ttu tty tub tuc tue tur tut tuu tuy tyc tye tyr tyt ubb ubc ube ubr ubt ubu uby ucb ucc uce ucr uct ucu ueb uec uee uer uet uey ur- urb urc ure urr urt uru ury utb utc ute utr utt utu uty uuc uue uur uut uuu uyc uyu ybc ybe ybr yby ycc yce ycu ycy yeb yec yee yer yet yey yrc yre yrt yru ytc yte ytr ytt ytu yue 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 becu beeb beer beet beey berc bere berr bert beru bery betc bete bett betu beur beye beyt brcb brce breb brec bree brer bret brey brrr brtc bruc brue brut bry- brye btcc btec btrc btrt btry bttb bubb bube bubu bucc buce bucu buer bueu bur- burb bure burr burt buru bury but- bute butt buty buyu byce byer byre byrt byte cbbc cbcc cbce cbcr cbct cbcu cbec cbee cber cbet cbre cbrt cbry cbtc cbyt ccbc cccb cccc cccu ccee ccrc ccre ccrt cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cer- cerc cere cert cery cet- cete ceyu crbc crbu crcc crce crcr cre- creb crec cree cret creu crrt crtc crub crue crut cry- cryb ctec ctrc cub- cubb cube cuby cucc cuce cuer curb cure curr curt cury cut- cutc cute cutt cuy- cuyr cybb cybc cyc- cycb cycc cyre cyrt cyt- cytb cyte cyy- cyyc ebbc ebbr ebby ebcc eber ebru ebur ecbc ecbe eccb eccc ecce ecct ecrc ecrr ecru ect- ectc eeby eeee eerc eery eetc eete eetu erbb erbe ercc erce ereb erec erer eret 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 eyeb eyec eyer eyet eyey eyre eyry eyte eyyr rbbb rbbr rcbc rccb rccc rcet rctc rcyc rebb rebe rebu recc rece recr rect recu recy reeb reet rere rert reru rery rete retr rett rety reue reut reuu reye rrrr rtcc rtce rtee rubb rube rubu ruby ruce ruct ruer ruet rurc rure ruru rute rutt rutu ruty rybe ryeb ryet rytt ryue ryyt tbcb tbcc tbce tbrb tcby tccc tccu tctc tebu tecr tect teec teer teet ter- terc tere terr teru tery tete tetr tett tetu teut teye teyr trcc tre- trec tree tret treu trey trtc trte trtr trub truc true trut truu try- tryb trye ttbb tter tttt tubb tube tubr tubu tucc tuer tuet tuey turb turc ture turr turt turu tury tute tutt tutu tuty tuye tyce tyee tyer tyet tyr- tyre tyrr tyte tytt tyty ubbe uber ubet ucbc ucrc ucut urbe urcy ure- uret urey urre urry urte urur urut utby utec uter uttu uuuu uyre yber ybet ybry yccc ycee yctc ye-u yeer yeet yerb yere yerr yert yery yete yett yeue yeye yeyr ytre yubu yuce yuer yure yurt yury yute yutu yuty yuye yuyu yyyy

-tree bbbee be-er beber becry becue becut beebe beeby beery beete beety beeut berbe bercu bercy berec beret berey berre berru berry berte berty beryu betee beter betre bett- bette betty betyb beuer beure beury beute beyer beyre beyte brebu brece brecy breer breet brere brery brett breu- breyr brrrr bruce bruer bruet brute bruty bryce bryt- btc-e btr-t bubbe bubby buber bubry bucet bucey bucur burcu burcy buret burey burru burry burte burtt buruc burut burye buryt butec buter butte butty butut butyr buyer by-by bybee byrre byrte bytr- bytyc c-tec cc-by ccccc ccett cebec ceber cecyt ceere cerbu cerc- cerce cerec cerer ceret cerre certe certy cette cetty crebe crece crecy creer crete cretu creu- creue cruce cruet crure cryer ctree cttee cubbe cubby cubeb cuber cubry cubub cucuy curby curce curer curet curre curry cutcu cutee cuter cutey cutry cutty cybbe cyber cyete cyrt- cytec cytee cytte cytyc ebber ebbet ebert ebure eeeee erbbe erber ereby erect erere errey errtu erte erter eruby eruct etete etree etter eturu eucre euery eurre eury- eyere eyrer rebbe rebec reber rebet rebut rebuy recce reccy recet recry rect- recte recue recur recut recyt reece reere rere- reree reret retee reter retry rette reuer reuet reute reyte rubby rubee ruber rubey rucer ruere ruete rurec rurey ruter rutey rutte rutty ruutu rybee rytte ryuet ryyty tbtbt tbutt tbyte teber tebet tebey tectb teety terby terce teret tereu terre terry tert- teter tetr- tette tetty teyre treer treet treey trere trete trett trety treut treye trubu truby truce trucy truer trute truyt trybe tryce tryer tryte ttttt tubby