bbbb bbeb bbet bbfc bbrc bcbc bccc bcec bcer bcet bcfc bcru bctc bcuc bebb bebe beby becu beeb beef beer beet beey befe beff beft berc bere berr bert beru bery betc bete bett betu beur beye beyt bftt brcb brce breb brec bree bref brer bret brey brfc brfu brrr brtc bruc brue brut bry- brye btcc btec btfc btrc btrt btry bttb bubb bube bubu bucc buce bucu buer bueu bufc bufe buff bufr 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 cbef cber cbet cbfb cbfc cbre cbrt cbry cbtc cbtf cbyt ccbc cccb cccc cccf cccu ccee ccfc ccff ccrc ccre ccrf ccrt cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cef- cefc cer- cerc cere cerf cert cery cet- cete ceyu cfbc cfbr cfbt cfcb cfcf cfcy cffb cffr cfrb cfre cfrt cfry cftc cfte cftr crbc crbu crcc crce crcr cre- creb crec cree cret creu crfc crrt crtc crtf crub crue crut cry- cryb ctcf ctec ctfc ctrc cub- cubb cube cuby cucc cuce cuer cufc cuff curb cure curf curr curt cury cut- cutc cute cutt cuy- cuyr cybb cybc cyc- cycb cycc cyfe cyft cyre cyrt cyt- cytb cyte cyy- cyyc ebbc ebbr ebby ebcc eber ebfc ebru ebur ecbc ecbe eccb eccc ecce ecct ecef ecfc ecfr ecrc ecrf ecrr ecru ect- ectc ectf eeby eeee eefe eerc eery eetc eete eetu efbr efet effy eft- eftu erbb erbe ercc erce ereb erec erer eret erfc erft errc erre ertu erub eruc erur eryc erye etbc etbr etcc etec etee eter etfb etfc etfe etre ette ettu etty eubc euer eufc eur- eurc eure eurt eury eyeb eyec eyer eyet eyey eyre eyry eyte eyyr fccf fcty fece fect feeb feer feet fefc fefe feff ferb ferc fere ferr fert feru fery fete fetr fett fetu feyr feyt ffcc ffee ffff ffrr fftf frbc frcc free fret frey frfc frub frue frye ft-c fter ftfc ftfy ftub ftuc fubb fubu fuc- fuct fuet fufc fuff fufu fur- fure furr furt fury fute futu fuyt fuyu fyce fyfe fyre fyry rbbb rbbr rcbc rccb rccc rcet rcfc rctc rcyc rebb rebe rebu recc rece recr rect recu recy reeb reef reet refe reff refr reft refu rere rert reru rery rete retr rett rety reue reuf reut reuu reye rfef rffc rftc rrfc rrrr rtbf rtcc rtce rtee rtfb rtfc rubb rube rubu ruby ruce ruct ruer ruet rufc rufe ruff ruft rurc rure ruru rute rutt rutu ruty rybe ryeb ryet ryfe ryff ryft rytt ryue ryyf ryyt tbcb tbcc tbce tbrb tbyf tcby tccc tccu tcfc tctc tebu tecr tect teec teef teer teet tefc teff teft ter- terc tere terf terr teru tery tete tetr tett tetu teut teye teyr tfcu tfeb tfec tftc trcc tre- trec tree tref tret treu trey trfc trfr trtc trte trtr trub truc true trut truu try- tryb trye ttbb tter ttfc ttff tttt tubb tube tubr tubu tucc tuer tuet tuey tufc tufe tuff tuft tufu turb turc ture turf turr turt turu tury tute tutt tutu tuty tuye tyce tyee tyer tyet tyfe tyff tyft tyr- tyre tyrf tyrr tyte tytt tyty ubbe uber ubet ubtf ucbc ucfb ucrc ucut ufcu ufer uffe urbe urcy ure- uret urey urfe urff urft urre urry urte urur urut utby utec uter uttu uutf uuuu uyre yber ybet ybry yccc ycee yctc ye-u yeer yeet yefe yeff yeft yerb yere yerr yert yery yete yett yeue yeye yeyr yfet yfte ytre yubu yuce yuer yuff yuft yufu yure yurt yury yute yutu yuty yuye yuyu yyfe yyff yyyy