bbbb bbbs bbeb bbfc bblb bbls bbrc bcbc bcbs bccc bccl bccs bcec bcer bces bcfc bcrs bcsc bcsl bcss bebb bebe beby becs beeb beef beel beer bees beey befe beff bele bell bels bely berc bere berr bers bery bes- bese bess besy beye beyl beys bfcs bffl bffs bfsr bleb blee bles bley blfc blls blrc blss bly- blye blys brcb brce breb brec bree bref brel brer bres brey brfc brls brrr brrs brsb brsr bry- brye bscs bseb bsec bsee bser bses bsfc bsff bsfs bslc bssc bsse byce byer byes byle byre bysb byse bysl byss bysy cbbc cbbs cbcc cbce cbcl cbcr cbcs cbec cbee cbef cber cbfb cbfc cblb cblc cbre cbrl cbry cbsc cbse ccbc cccb cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccrc ccre ccrf ccrl ccrs ccsf ccsl ccss cebs cec- cece cecs ceeb ceec ceel cees cef- cefc cel- celc cele celf cell cels cely cer- cerc cere cerf cerl cers cery cesc cese cesr cess ceyl ceys cfbc cfbr cfbs cfcb cfcf cfcl cfcs cfcy cffb cffr cfls cfrb cfre cfry cfse cfsl clec clee clef cler cles cley clrs clsc cly- clye crbc crcc crce crcr cre- creb crec cree cres crfc crfl crfs crlf crls crss cry- cryb crys csbf cscb cscc csce cscf cscl cscr cscs csec csee cser csfc csfr cslr csrc csrs csse cssr csys cybb cybc cyc- cycb cycc cycl cycs cyfe cyfs cyl- cylc cyle cyll cyls cyre cyrl cyrs cyse cyy- cyyc e-cl ebbc ebbr ebbs ebby ebcc ebel eber ebes ebfc ecbc ecbe eccb eccc ecce eccl ecef eces ecfc ecfr ecfs ecly ecrc ecrf ecrl ecrr ecsc ecse ecss eeby eecs eeee eees eefe eefl eele eels eely eerc eers eery eese eesy efbr efes effs effy efly el-b elbe elcb elce elec elee elef eler eles eley elfc elfe elfs elle ells elly else elys erbb erbe ercc erce ereb erec erel erer eres erfc erfs erle erll errc erre errs erse eryc erye esbs escb esce escr escs esee esel eser eses esfs esse essl essy eyeb eyec eyer eyes eyey eyle eyre eyry eyse eyyr fble fbrs fcbs fccf fces fcsc fcsl febs fece feeb feel feer fees fefc fefe feff fele felf fell fels ferb ferc fere ferr fers fery fese fess feyr feys ffcc ffee ffff ffrr ffss flcl flee fler fles fley flye flys frbc frcc free fres frey frfc frsb frsc frye frys fscb fscc fsec fssc fssf fyce fyfe fyle fyre fyrs fyry lbcc lblr lbrs lbsc lcbc lccc lcce lccs lcer lces lcfc lcfr lcls lcrl lcrs lcsc lcsr lece lecy leef leel leer lees lefe leff lele lell lely lerc lere lery lese less leye leyf leyr leys lfcc llbs llcc llcs llef lles lllc llll llyr lrcs lrfc lrrc lrrr lrry lrse ls-r lscb lscs lses lsfc lsrc lssr lyc- lyce lyef lyer lyes lyfe lyff lyfy lyle lyly lyre lys- lyse lysl lyss lyyf rbbb rbbr rbbs rbcl rble rbsl rbss rcbc rccb rccc rccs rcfc rcle rcls rcsc rcsl rcss rcyc rebb rebe rebs recc rece recr recs recy reeb reef reel rees refe reff refl refr refs relb rele rell rels rely rere rers rery rese ress reye reys rfef rffc rffl rlcs rlee rlef rlls rlys rrfc rrle rrrr rscc rscs rscy rsee rsfc rslc rsre rssl rybe ryeb ryel ryes ryfe ryff ryle rysy ryyf sbbs sbcc sbcs sbef sber sbfc sbse sccc scce sccl sccs sccy scec scee scel scer scey scfc scfe scl- sclc scls scr- scrc scre scrs scry scsc scsl scsr scye se-c se-e se-f se-s se-y sebe sebs seby sec- secc sece secr secs secy seeb seec seef seel seer sees seey seff sefl selb sele self sell sels sely serb serc sere serf serr sers sery sesc sese sess seye seyf seyl seys sfbc sfcc sfcs sfer sffc sflc sfls sfrc sfss slcc sleb slee sler sles sley slrc slre slrs slsc slye slys srbc srby srcc sreb srec sres srfc ssbr ssby sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssrc ssrl ssrs sssb sssc sssf ssss syce sycr syer syes syfe syff syfy syl- syle syll syls syre syrs syry syse syss ybbs yber ybry yccc ycee ycsb yeel yeer yees yefe yeff yele yelf yell yerb yere yerl yerr yers yery yess yeye yeyr yfel ylle ylls yrle yrly ysby ysee ysel yser yses ysle ysse ysyb yyfe yyff yyyy