bbbb bbbs bbdd bbeb bbrc bcbc bcbs bccc bccs bcde bcds bcec bcer bces bcrs bcsc bcss bd-r bdbc bddc bdes bdry bdsd bebb bebe beby becs bede beds beeb beed beer bees beey berc berd bere berr bers bery bes- bese bess besy beye beys brcb brce brds brdy breb brec bred bree brer bres brex brey brrr brrs brsb brsr bry- bryd brye bsbd bscs bseb bsec bsed bsee bser bses bsrd bssc bssd bsse byce byde byed byer byes byrd byre bysb byse byss bysy byyd c-cd cbbc cbbs cbcc cbce cbcr cbcs cbdb cbdc cbds cbec cbee cber cbrd cbre cbry cbsc cbse ccbc cccb cccc cccs ccdc ccdr ccds cced ccee ccrc ccre ccrs ccsd ccss cd-e cd-r cdcs cddb cddr cdec cder cdes cdex cdre cdrs cdss cebs cec- cece cecs cedd cede cedy ceeb ceec cees cer- cerc cerd cere cers cery cesc cese cesr cess cexe ceys ceyx crbc crcc crce crcr crdc cre- creb crec cred cree cres crex crss cry- cryb crys cscb cscc cscd csce cscr cscs csdb csdr csec csee cser csrc csrd csrs cssd csse cssr csys cxxx cybb cybc cyc- cycb cycc cycs cyds cyre cyrs cyse cyy- cyyc dbcc dbcs dbrs dbss dc-y dcbc dccb dccc dccs dcdb dcds dcsc dcss dcxx dddd ddes ddrc ddre ddry ddss debe debs deby dec- decc decd dece decs dedd dede deeb deed deer dees der- derb derc dere derr ders dery des- desc dese dess desy dex- dexe dexy deye deyr deys drbc dred dree dres drey drrs dry- drye drys dsbc dscc dscr dscs dsdr dsrc dsrr dssc dxbc dxbe dxbr dxby dxcb dxcc dxdc dxdr dxds dxec dxed dxes dxrd dxre dxrr dxrx dxss dxsy dxxr dxxx dxyr dxys dybe dycd dyce dydd dyde dyed dyer dyes dyey dyr- dyrb dyrc dyre dyrx dys- dyse dysr dyss dyxc dyxr dyxx dyxy dyyr ebbc ebbr ebbs ebby ebcc ebed eber ebes ecbc ecbe eccb eccc ecce ecdc eced eces ecrc ecrr ecsc ecse ecss ecyd eddc edde edds eddy ede- eder edes edex edss edys eeby eecs eede eeee eees eerc eers eery eese eesy er-x erbb erbe ercc erce erde erds ereb erec ered erer eres errc erre errs erse eryc erye eryx esbs escb esce escr escs esds esdx esee eser eses esrd esse essy exec exed exer exes exrx exxy eyeb eyec eyed eyer eyes eyey eyre eyry eyse eyyr rbbb rbbr rbbs rbds rbsd rbss rcbc rccb rccc rccs rcdc rcde rcds rcrd rcsc rcsd rcss rcyc rder rebb rebe rebs recc recd rece recr recs recy redc redd rede redr reds redx redy reeb reed rees rerd rere rers rery rese ress rexx reyd reye reys rred rrrr rscc rscs rscy rsdd rsds rsee rsre rxes rybe ryde rydy ryeb ryes rysy sbbs sbcc sbcs sbds sber sbsd sbse sccc scce sccs sccy scdc scds scec scee scer scey scr- scrc scre scrs scry scsc scsd scsr scye sdcc sddc sdds sder sdes sdrc sdrs sdry sdsc sdss se-c se-d se-e se-s se-x se-y sebe sebs seby sec- secc secd sece secr secs secy sede seds seeb seec seed seer sees seex seey serb serc serd sere serr sers sery sesc sese sess sex- sexe sexy seye seys srbc srby srcc srde sreb srec sres srsd ssbr ssby sscc ssce sscs ssdc ssdd ssec ssee sses ssex ssrc ssrs sssb sssc ssss sxde syce sycr syde syds syer syes syre syrs syry syse syss syxe x-ed xbcd xbee xces xdcc xeer xer- xers xexe xrcd xrdb xrds xxxx xxxy xyr- ybbs yber ybry yccc ycee ycsb ydee ydes ydre yedd yede yeds yeed yeer yees yerb yerd yere yerr yers yery yess yeye yeyr ysby ysed ysee yser yses ysse ysyb yyyy