-er -ol bbb bbc bbe bbh bbk bbl bbm bbo bbr bbs bcb bcc bce bch bck bcl bcm bco bcr bcs be- beb bec bee beh bek bel bem beo ber bes bhb bhc bhe bhh bhk bhl bhm bho bhr bhs bkb bkc bke bkk bkl bkm bko bkr bks blb blc ble blh blk bll blm blo blr bls bmb bmc bme bmh bmk bml bmm bmo bmr bms bob boc boe boh bok bol bom boo bor bos brb bre brh brk brl brm bro brr brs bsb bsc bse bsh bsk bsl bsm bso bsr bss c-- cbb cbc cbe cbh cbk cbl cbm cbo cbr cbs ccb ccc cce cch cck ccl ccm cco ccr ccs ce- ceb cec cee ceh cek cel cem ceo cer ces ch- chb chc che chh chk chl chm cho chr chs ckb ckc ckh ckm cko cks cl- clb clc cle clh clk cll clm clo clr cls cmb cmc cme cmh cmk cml cmm cmo cmr cms co- cob coc coe coh cok col com coo cor cos crb crc cre crh crk crl crm cro crr crs csb csc cse csh csk csl csm cso csr css ebb ebc ebe ebh ebk ebl ebm ebo ebr ebs ec- ecb ecc ece ech eck ecl ecm eco ecr ecs eeb eec eee eek eel eem eeo eer ees ehb ehc ehe ehh ehl ehm eho ehr ehs ekb ekc eke ekh ekl eko ekr eks elb elc ele elh elk ell elm elo elr els em- emb emc eme emh emk eml emm emo emr ems eo- eob eoc eoe eoh eok eol eom eoo eor eos erb erc ere erh erk erl erm ero err ers es- esb esc ese esh esk esl esm eso esr ess hbb hbc hbe hbh hbk hbl hbm hbo hbr hbs hcb hcc hce hch hck hcl hcm hco hcr hcs he- heb hec hee heh hek hel hem heo her hes hhb hhc hhe hhh hhk hhl hhm hho hhr hhs hkb hkh hkk hkl hkm hko hkr hks hlb hlc hle hlh hll hlm hlo hlr hls hmb hmc hme hmh hmk hml hmm hmo hmr hms hob hoc hoe hoh hok hol hom hoo hor hos hr- hrb hrc hre hrh hrk hrl hrm hro hrr hrs hsb hsc hse hsh hsk hsl hsm hsr hss kbb kbc kbe kbh kbk kbl kbm kbo kbr kbs kcb kcc kce kch kck kcl kcm kcr kcs ke- keb kec kee keh kek kel kem keo ker kes khe khh khk khm kho khr khs kkb kkc kke kkh kkk kkl kkm kkr kks kl- klb klc klh klm klo klr kls kmb kmc kme kmh kmk kml kmm kmo kms kob koc koe koh kok kol kom koo kor kos krc krk krl kro krr krs ksb ksc kse ksh ksk ksl ksm kso ksr kss lbb lbc lbe lbh lbk lbl lbm lbo lbr lbs lcb lcc lce lch lck lcl lcm lco lcr lcs leb lec lee leh lek lel lem leo ler les lhb lhc lhh lhk lho lhr lhs lkb lkh lkl lkr lks llb llc lle llk lll llm llo llr lls lmb lmc lme lmh lmk lml lmm lmo lmr lms lob loc loe loh lok lol lom loo lor los lrb lrc lrh lrk lrm lro lrr lrs lsb lsc lse lsh lsk lsl lsm lso lsr lss m-o m-r mbb mbc mbe mbh mbk mbl mbm mbo mbr mbs mc- mcb mcc mce mch mck mcl mcm mco mcr mcs meb mec mee meh mek mel mem meo mer mes mhc mhh mhk mhl mhm mho mhr mhs mkb mkc mke mkh mkk mkl mkm mko mkr mks mlb mlc mle mlh mlk mll mlm mlo mlr mls mmb mmc mme mmh mmk mml mmm mmo mmr mms mob moc moe moh mok mol mom moo mor mos mrb mrc mre mrh mrk mrl mrm mro mrr mrs msb msc mse msh msk msl msm mso msr mss ob- obb obc obe obh obk obl obm obo obr obs oc- ocb occ och ock ocl ocm oco ocr ocs oeb oec oee oeh oel oem oeo oer oes ohc ohe ohh ohl ohm oho ohr ohs okb okc oke okk okl oko okr oks olb olc ole olk oll olm olo ols om- omb omc ome omh oml omm omo omr oms oo- oob ooc ooh ook ool oom ooo oor oos or- orb orc ore orh ork orl orm oro orr ors os- osb osc ose osh osk osl osm oso osr oss rbb rbc rbe rbh rbk rbl rbm rbo rbr rbs rcb rcc rce rch rcl rcm rco rcr rcs re- reb rec ree reh rek rel rem reo rer res rh- rhb rhc rhe rhh rhl rhm rho rhr rhs rkb rkc rke rkk rkm rko rks rlc rle rlh rll rlm rlo rlr rls rmb rmc rme rmh rml rmm rmo rmr rms rob roc roe roh rok rol rom roo ror ros rrb rrc rrh rrk rrl rrm rrr rrs rsb rsc rse rsh rsk rsl rsm rso rsr rss sbb sbc sbe sbh sbk sbl sbm sbo sbr sbs scb scc sce sch sck scl scm sco scr scs se- seb sec see seh sek sel sem seo ser ses sh- shb shc she shh shk shl shm sho shr shs sk- skb skc ske skh skk skl skm sko skr sks slb slc sle slh slk sll slm slo slr sls smb smc sme smh smk sml smm smo smr sms sob soc soe soh sok sol som soo sor sos sr- srb src sre srh srk srl srm sro srr srs ss- ssb ssc sse ssh ssk ssl ssm sso ssr sss

-ose bbbb bbbs bbch bbcm bbeb bbhs bblb bbls bbrc bcbc bcbs bccc bccl bccm bccs bcec bcer bces bche bchs bcms bcor bcos bcrs bcsc bcsl bcsm