bbbb bbbs bbeb bbrc bcbc bcbs bccc bccs bcec bcer bces bcrs bcsc bcss bebb bebe beby becs beeb beer bees beey berc bere berr bers bery bes- bese bess besy bevs bevy beye beys brcb brce breb brec bree brer bres brev brey brrr brrs brsb brsr bry- brye bscs bseb bsec bsee bser bses bssc bsse bvsc byce byer byes byre bysb byse byss bysy cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbre cbry cbsc cbse cbvb cbve cbvr ccbc cccb cccc cccs cccv ccee ccrc ccre ccrs ccss ccvs cebs cec- cece cecs ceeb ceec cees cer- cerc cere cers cery cesc cese cesr cess cevy ceys crbc crcc crce crcr cre- creb crec cree cres crss cry- cryb crys cscb cscc csce cscr cscs csec csee cser csrc csrs csse cssr csys cvbs cvcc cver cvrr cvss cybb cybc cyc- cycb cycc cycs cyre cyrs cyse cyve cyy- cyyc ebbc ebbr ebbs ebby ebcc eber ebes ecbc ecbe eccb eccc ecce eces ecrc ecrr ecrv ecsc ecse ecss eeby eecs eeee eees eerc eers eery eese eesy erbb erbe ercc erce ereb erec erer eres erev errc erre errs erse erve eryc erye esbs escb esce escr escs esee eser eses esse essy ever eves evey evre evrs evry evsc eyeb eyec eyer eyes eyey eyre eyry eyse eyyr rbbb rbbr rbbs rbss rcbc rccb rccc rccs rcsc rcss rcvr rcvs rcyc rebb rebe rebs recc rece recr recs recy reeb rees reev rere rers rery rese ress reve revs revy reye reys rrrr rscc rscs rscy rsee rsre rv-c rver rybe ryeb ryes rysy sbbs sbcc sbcs sber sbse sccc scce sccs sccy scec scee scer scey scr- scrc scre scrs scry scsc scsr scye se-c se-e se-s se-y sebe sebs seby sec- secc sece secr secs secv secy seeb seec seer sees seey serb serc sere serr sers serv sery sesc sese sess seve seye seys srbc srby srcc sreb srec sres ssbr ssby sscc ssce sscs ssec ssee sses ssrc ssrs sssb sssc ssss svcc svce svcs svec svsc syce sycr syer syes syre syrs syry syse syss syve vbcc vbyv vcrs vecc veer vees ver- verb vere vers very vesc vese vess vesy veve vevy veye veyr veys vrse vsby vsee vses vssc vsse vver vvsb vvvv vyce vyer vyes vyre vyse vyss ybbs yber ybry yccc ycee ycsb yeer yees yerb yere yerr yers yery yess yeve yeye yeyr ysby ysee yser yses ysse ysyb yver yves yyyy