bbbb bbbs bbci bbeb bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcie bcis bcrs bcru bcsc bcss bcuc bebb bebe bebi beby beci becs becu beeb beer bees beey beic beir beis berc bere beri berr bers beru bery bes- bese bess besy beur beye beyi beys bibb bibe bibi bibs bicc bice bici bics bieb bier bies bieu biis birb bire biri birr birs biru biry bis- bisc bise biss bisu bisy biys brcb brce breb brec bree brei brer bres brey bric brie bris brrr brrs brsb brsr bruc brue brus bry- brye bsci bscs bseb bsec bsee bser bses bsic bssc bsse bubb bube bubi bubs bubu bucc buce buci bucs bucu buer bueu buic buie buir buis buiu bur- burb bure buri burr burs buru bury busc buse busi buss busu busy buus buyi buys buyu byce byer byes byre bysb byse bysi byss bysy cbbc cbbs cbcc cbce cbcr cbcs cbcu cbec cbee cber cbir cbre cbry cbsc cbse cbsi cbus ccbc cccb cccc ccci cccs cccu ccee ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss ccuc ccus cebs cebu cec- cece ceci cecs ceeb ceec cees cer- cerc cere ceri cers cery cesc cese cesi cesr cess ceui ceys ceyu cibc cibe cibi cicc cici cicr cics cicu ciee cier cies ciii ciis cirb circ cire ciri cirr cirs cis- cisc cise cisr ciss cisy ciuc cius ciyu crbc crbu crcc crce crcr cre- creb crec cree crei cres creu crib cric crie cris criu crss crub crue crus cry- cryb crys cscb cscc csce csci cscr cscs csec csee cser csib csir csis csrc csrs csse cssr csur csus csys cub- cubb cube cubi cubs cuby cucc cuce cuci cuer cues cui- cuir cuis curb cure curi curr curs cury cusb cuss cusu cusy cuy- cuyr cybb cybc cybi cyc- cycb cycc cycs cyre cyrs cyse cyy- cyyc ebbc ebbr ebbs ebby ebcc eber ebes ebic ebis ebru ebur ebus ecbc ecbe eccb eccc ecce ecci eces ecib ecis ecrc ecri ecrr ecru ecsc ecse ecss ecsu ecus eeby eecs eeee eees eerc eers eery eese eesi eesy eics eiec eiei eier eies eire eirs eiry eise eiss eisy erbb erbe ercc erce ereb erec erei erer eres eric erie eris eriu errc erre errs erse ersi erub eruc erur erus eryc erye esbs escb esce esci escr escs escu esee eser eses esie esis esri esse essi essu essy esui esus eubc eubi euer eur- eurc eure eury euse eyeb eyec eyer eyes eyey eyir eyre eyry eyse eyyr i-be i-by ibcs ibec ibes ibie ibis ibrc ibri ibss ibus ibuy ibyi icbc icbs iccb iccc icci iccr iccs iccu icec icee icer ices icey icis icrc icre icrr icrs icru icry icsb icsc icse icsi icsr icss icub icue icus iecc ieie iere ieri iers iesc iesi iesr iesu iies iiie iiii iiis iirc iirs iisc iisi iisr iisu iiuc irbe irby ircc ircs ircu iree irer ires iri- iric irie iris iriy irrc irre irri irrs irse irus isbe iscc isci iscr iscs iscu iseb isec isee iser ises isic isie isis isri issc isse issi issr isss issu issy isus isys iucc iuce iuiu iuse iuss iyer iyre iyse rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcsc rcsi rcss rcyc rebb rebe rebs rebu recc rece reci recr recs recu recy reeb rees reii reir reis reiu rere reri rers reru rery rese resi ress reue reus reuu reye reys rib- ribe ribs ribu riby ricc rice rics rier ries rieu riis rire riri rirs risc rise risi riss risu riue rius rrrr rsbi rscc rscs rscy rsee rsis rsre rubb rube rubi rubs rubu ruby ruce ruci ruer rues ruis rurc rure ruri rurs ruru ruse rusi russ rusu rusy ruyi ruys rybe ryeb ryes ryis rysy ryue s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbse sbsi sbus scbi sccc scce sccs sccy scec scee scer scey sci- scic scie scir scis scr- scrc scre scri scrs scry scsc scsi scsr scsu scub scur scye se-c se-e se-i se-s se-u se-y sebe sebi sebs seby sec- secc sece secr secs secu secy seeb seec seer sees seeu seey seie seii seir seis seiu serb serc sere seri serr sers seru sery sesc sese sesi sess seui seur seye seys sibc sibe sibi sibs sibu siby sicc sice sici sics sicu siec sier sies sirc sire siri sirr sirs siru sisc sise sisi siss sisu sisy siue siui sius siyi siyu srbc srby srcc sreb srec sres srib sris srub ssbr ssby sscc ssce ssci sscs ssec ssee sses ssis ssrc ssri ssrs sssb sssc sssi ssss sub- subb subi subs suc- succ suci sucr sucs suee suer sues sueu suey suie suir suis sur- surc sure suri surr surs suru sury sus- suse susi suss susu susy suus suyi suyr suyu syce sycr syer syes syis syre syrs syry syse syss syue u-ie ubbe ubbi uber ubic ubii ubir ubis ucbc ucci uces ucrc ucsb ucsc ucsu ueir uers uess ueys uies uirr uise urbe urbi urbs urci urcy ure- ures urey urib uric urie uris uriu urre urri urry urse ursi urss ursu ursy urur urus usbc usbe usbr usbs uscc usce uscs usee user uses usie usis ussb ussc usse ussr usss ussu ussy usui usus uuri uusi uuuu uyir uyre ybbs yber ybry yccc ycee ycie ycsb ye-u yeer yees yeie yeii yeir yerb yere yeri yerr yers yery yesi yess yesu yeue yeye yeyi yeyr yirb yire yirr yise yiss ysby ysee yser yses ysii ysse yssu ysue ysyb yubu yuce yuer yuie yure yuri yury yuye yuyu yyyy