-er -ol bbb bbc bbe bbh bbk bbl bbo bbr bbs bcb bcc bce bch bck bcl bco bcr bcs be- beb bec bee beh bek bel beo ber bes bhb bhc bhe bhh bhk bhl bho bhr bhs bkb bkc bke bkk bkl bko bkr bks blb blc ble blh blk bll blo blr bls bob boc boe boh bok bol boo bor bos brb bre brh brk brl bro brr brs bsb bsc bse bsh bsk bsl bso bsr bss c-- cbb cbc cbe cbh cbk cbl cbo cbr cbs ccb ccc cce cch cck ccl cco ccr ccs ce- ceb cec cee ceh cek cel ceo cer ces ch- chb chc che chh chk chl cho chr chs ckb ckc ckh cko cks cl- clb clc cle clh clk cll clo clr cls co- cob coc coe coh cok col coo cor cos crb crc cre crh crk crl cro crr crs csb csc cse csh csk csl cso csr css ebb ebc ebe ebh ebk ebl ebo ebr ebs ec- ecb ecc ece ech eck ecl eco ecr ecs eeb eec eee eek eel eeo eer ees ehb ehc ehe ehh ehl eho ehr ehs ekb ekc eke ekh ekl eko ekr eks elb elc ele elh elk ell elo elr els eo- eob eoc eoe eoh eok eol eoo eor eos erb erc ere erh erk erl ero err ers es- esb esc ese esh esk esl eso esr ess hbb hbc hbe hbh hbk hbl hbo hbr hbs hcb hcc hce hch hck hcl hco hcr hcs he- heb hec hee heh hek hel heo her hes hhb hhc hhe hhh hhk hhl hho hhr hhs hkb hkh hkk hkl hko hkr hks hlb hlc hle hlh hll hlo hlr hls hob hoc hoe hoh hok hol hoo hor hos hr- hrb hrc hre hrh hrk hrl hro hrr hrs hsb hsc hse hsh hsk hsl hsr hss kbb kbc kbe kbh kbk kbl kbo kbr kbs kcb kcc kce kch kck kcl kcr kcs ke- keb kec kee keh kek kel keo ker kes khe khh khk kho khr khs kkb kkc kke kkh kkk kkl kkr kks kl- klb klc klh klo klr kls kob koc koe koh kok kol koo kor kos krc krk krl kro krr krs ksb ksc kse ksh ksk ksl kso ksr kss lbb lbc lbe lbh lbk lbl lbo lbr lbs lcb lcc lce lch lck lcl lco lcr lcs leb lec lee leh lek lel leo ler les lhb lhc lhh lhk lho lhr lhs lkb lkh lkl lkr lks llb llc lle llk lll llo llr lls lob loc loe loh lok lol loo lor los lrb lrc lrh lrk lro lrr lrs lsb lsc lse lsh lsk lsl lso lsr lss ob- obb obc obe obh obk obl obo obr obs oc- ocb occ och ock ocl oco ocr ocs oeb oec oee oeh oel oeo oer oes ohc ohe ohh ohl oho ohr ohs okb okc oke okk okl oko okr oks olb olc ole olk oll olo ols oo- oob ooc ooh ook ool ooo oor oos or- orb orc ore orh ork orl oro orr ors os- osb osc ose osh osk osl oso osr oss rbb rbc rbe rbh rbk rbl rbo rbr rbs rcb rcc rce rch rcl rco rcr rcs re- reb rec ree reh rek rel reo rer res rh- rhb rhc rhe rhh rhl rho rhr rhs rkb rkc rke rkk rko rks rlc rle rlh rll rlo rlr rls rob roc roe roh rok rol roo ror ros rrb rrc rrh rrk rrl rrr rrs rsb rsc rse rsh rsk rsl rso rsr rss sbb sbc sbe sbh sbk sbl sbo sbr sbs scb scc sce sch sck scl sco scr scs se- seb sec see seh sek sel seo ser ses sh- shb shc she shh shk shl sho shr shs sk- skb skc ske skh skk skl sko skr sks slb slc sle slh slk sll slo slr sls sob soc soe soh sok sol soo sor sos sr- srb src sre srh srk srl sro srr srs ss- ssb ssc sse ssh ssk ssl sso ssr sss

-ose bbbb bbbs bbch bbeb bbhs bblb bbls bbrc bcbc bcbs bccc bccl bccs bcec bcer bces bche bchs bcor bcos bcrs bcsc bcsl bcss bebb bebe bebo bech beck becs beeb beek beel beer bees behr behs beke beko beks bele belk bell belo bels beo- beok beor beos berc bere berk bero berr bers bes- bese besh besk beso bess bhcc bhel bher bhhs bhor bkhs bleb blee bleh blek bleo bles blhs blkb blls blob bloc blok bloo blrc blss bobb bobe bobo bobs boce boch bock boco bocs boec boee boel boeo boer boes bohl boho bohr bohs boke boko boks bole bolk boll bolo bols boob booc booe booh book bool boor boos bor- bore borh bork boro borr bors bosc bose bosh bosk boso boss brcb brce breb brec bree brek brel breo brer bres brhs brkb brls brob broc broe broh brok brol broo bror bros brrr brrs brsb brsr bscs bseb bsec bsee bser bses bshs bslc bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcl cbcr cbcs cbec cbee cber cbhl cbhs cbkl cbko cbkr cblb cblc cbol cbre cbrh cbrl cbsc cbse ccbc cccb cccc cccl cccs ccee ccel cche cchl cchr cchs cclc ccls ccob ccoc ccrc ccre ccrl ccrs ccsl ccss cebs cec- cece ceco cecs ceeb ceec ceel cees cehl cehs ceke cel- celc cele cell celo cels ceol ceor ceos cer- cerc cere cerl cero cers cesc cese cesr cess chce chch chcs cheb chec chee cheh chek chel cher ches chhs chkb chks chlc chlr choc choh chok chol choo chor chos chrb chrc chro chrr chrs chsc chse chsh chsr ckbc ckbe ckch ckck ckcl ckco ckcs cker ckhs ckob ckoc ckoo ckor ckos ckrc cksb cksh cksl