-er -ol bbb bbc bbe bbl bbo bbr bbs bcb bcc bce bcl bco bcr bcs be- beb bec bee bel beo ber bes blb blc ble bll blo blr bls bob boc boe bol boo bor bos brb bre brl bro brr brs bsb bsc bse bsl bso bsr bss c-- cbb cbc cbe cbl cbo cbr cbs ccb ccc cce ccl cco ccr ccs ce- ceb cec cee cel ceo cer ces cl- clb clc cle cll clo clr cls co- cob coc coe col coo cor cos crb crc cre crl cro crr crs csb csc cse csl cso csr css ebb ebc ebe ebl ebo ebr ebs ec- ecb ecc ece ecl eco ecr ecs eeb eec eee eel eeo eer ees elb elc ele ell elo elr els eo- eob eoc eoe eol eoo eor eos erb erc ere erl ero err ers es- esb esc ese esl eso esr ess lbb lbc lbe lbl lbo lbr lbs lcb lcc lce lcl lco lcr lcs leb lec lee lel leo ler les llb llc lle lll llo llr lls lob loc loe lol loo lor los lrb lrc lro lrr lrs lsb lsc lse lsl lso lsr lss ob- obb obc obe obl obo obr obs oc- ocb occ ocl oco ocr ocs oeb oec oee oel oeo oer oes olb olc ole oll olo ols oo- oob ooc ool ooo oor oos or- orb orc ore orl oro orr ors os- osb osc ose osl oso osr oss rbb rbc rbe rbl rbo rbr rbs rcb rcc rce rcl rco rcr rcs re- reb rec ree rel reo rer res rlc rle rll rlo rlr rls rob roc roe rol roo ror ros rrb rrc rrl rrr rrs rsb rsc rse rsl rso rsr rss sbb sbc sbe sbl sbo sbr sbs scb scc sce scl sco scr scs se- seb sec see sel seo ser ses slb slc sle sll slo slr sls sob soc soe sol soo sor sos sr- srb src sre srl sro srr srs ss- ssb ssc sse ssl sso ssr sss

-ose bbbb bbbs bbeb bblb bbls bbrc bcbc bcbs bccc bccl bccs bcec bcer bces bcor bcos bcrs bcsc bcsl bcss bebb bebe bebo becs beeb beel beer bees bele bell belo bels beo- beor beos berc bere bero berr bers bes- bese beso bess bleb blee bleo bles blls blob bloc bloo blrc blss bobb bobe bobo bobs boce boco bocs boec boee boel boeo boer boes bole boll bolo bols boob booc booe bool boor boos bor- bore boro borr bors bosc bose boso boss brcb brce breb brec bree brel breo brer bres brls brob broc broe brol broo bror bros brrr brrs brsb brsr bscs bseb bsec bsee bser bses bslc bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcl cbcr cbcs cbec cbee cber cblb cblc cbol cbre cbrl cbsc cbse ccbc cccb cccc cccl cccs ccee ccel cclc ccls ccob ccoc ccrc ccre ccrl ccrs ccsl ccss cebs cec- cece ceco cecs ceeb ceec ceel cees cel- celc cele cell celo cels ceol ceor ceos cer- cerc cere cerl cero cers cesc cese cesr cess clec clee cleo cler cles clob cloe cloo clor clos clro clrs clsc cobb cobe cobo cobs coce coco coel coes col- colb cole coll colo cols coob cool coos cor- corb corc core corl coro corr cors cosc cose cosl coso coss crbc crcc crce crcr cre- creb crec cree creo cres crls crob croc croe crol croo cror crss cscb cscc csce cscl csco cscr cscs csec csee cser cslr csob csor csos csrc csrs csse cssr e-cl ebbc ebbo ebbr ebbs ebcc ebel eber ebes eboe ebol eboo ebor ebos ebro ecbc ecbe eccb eccc ecce eccl ecco eces eco- ecol ecos ecrc ecrl ecrr ecsc ecse ecss eecs eeee eees eele eels eeoc eerc eero eers eese el-b elbe elbo elcb elce elco elec elee eleo eler eles elle ello ells elos elro else elso eoes eole eolo eore eorl erbb erbe ercc erce ereb erec erel erer eres erle erll erob eroc eroe erol eroo eros errc erre erro errs erse erso esbo esbs escb esce esco escr escs esee esel eseo eser eses eso- esol esos esse essl esso lbcc lblr lbos lbrs lbsc lcbc lccc lcce lccs lcer lces lcls lcor lcrl lcrs lcsc lcsr lebo lece leco leel leer lees lele lell lelo leoc leor leos lerc lere lero lese less llbs llcc llcs lles lllc llll lloc lloo lob- lobb lobe lobo lobs locc loce loco locs loeb loes lole loll lolo lols loob looc looe lool loor loos lore loro lors losc lose loso loss lrcs lroc lrrc lrrr lrse ls-r lscb lsco lscs lses lsrc lsso lssr o-eo obbo obec obel ober obes oble obls oboe obol obor obos obre obro obsr obss ocbc occc oce ocee oclc ocos ocre ocrl ocro ocrr ocrs oec- oecc oeec oele oere oers oese olbo olcc ole- oleo oler oles olle ollo olor olos oobe oocr ooer ooes oolo oooo ooos oore oose orbb orbe orbo orbs orce orco orcs ore- oreb orec orel oreo orer ores orle orlo oro- oroe oror oros orro orrs orse orso osbe oscc osce oscl osco osec osee osel oser oses oslo osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbcl rble rbsl rbss rcbc rcbo rccb rccc rccs rcle rcls rcos rcsc rcsl rcss rebb rebe rebo rebs recc rece recr recs reeb reel rees relb rele rell relo rels reol reos rere rero rers rese reso ress rlcs rlee rlls rob- robb robe robo robs rocc roce roco rocs roel roer roes role roll rolo roob rool roor roos rorc rore roro rosc rose roso ross rrle rrrr rscc rscs rsee rslc rsos rsre rssl s-os sbbs sbcc sbcs sber sbor sbse sccc scce sccl sccs scec scee scel scer scl- sclc scls scob scol scoo scor scr-