-er -ol bbb bbe bbh bbi bbk bbl bbm bbo bbr bbs be- beb bee beh bei bek bel bem beo ber bes bhb bhe bhh bhi bhk bhl bhm bho bhr bhs bi- bib bie bih bii bik bil bim bio bir bis bkb bke bkk bkl bkm bko bkr bks blb ble blh bli blk bll blm blo blr bls bmb bme bmh bmi bmk bml bmm bmo bmr bms bob boe boh boi bok bol bom boo bor bos brb bre brh bri brk brl brm bro brr brs bsb bse bsh bsi bsk bsl bsm bso bsr bss ebb ebe ebh ebi ebk ebl ebm ebo ebr ebs eeb eee eek eel eem eeo eer ees ehb ehe ehh ehi ehl ehm eho ehr ehs eib eie eii eik eil eim eio eir eis ekb eke ekh eki ekl eko ekr eks elb ele elh eli elk ell elm elo elr els em- emb eme emh emi emk eml emm emo emr ems eo- eob eoe eoh eoi eok eol eom eoo eor eos erb ere erh eri erk erl erm ero err ers es- esb ese esh esi esk esl esm eso esr ess h-i hbb hbe hbh hbi hbk hbl hbm hbo hbr hbs he- heb hee heh hei hek hel hem heo her hes hhb hhe hhh hhi hhk hhl hhm hho hhr hhs hib hie hih hii hik hil him hio hir his hkb hkh hki hkk hkl hkm hko hkr hks hlb hle hlh hli hll hlm hlo hlr hls hmb hme hmh hmi hmk hml hmm hmo hmr hms hob hoe hoh hoi hok hol hom hoo hor hos hr- hrb hre hrh hri hrk hrl hrm hro hrr hrs hsb hse hsh hsi hsk hsl hsm hsr hss ibb ibe ibh ibi ibk ibl ibm ibo ibr ibs ie- iee iei iek iel iem ier ies ihb ihe ihh ihi ihk ihl ihm iho ihr ihs iib iie iih iii iil iim iio iir iis ikb ike iki ikk ikl iko ikr iks il- ilb ile ilh ili ilk ill ilm ilo ilr ils im- imb ime imh imi iml imm imo ims io- iob ioe ioh ioi iol iom ioo ior ios ir- irb ire iri irk irl irm iro irr irs is- isb ise ish isi isk isl ism iso isr iss kbb kbe kbh kbi kbk kbl kbm kbo kbr kbs ke- keb kee keh kei kek kel kem keo ker kes khe khh khi khk khm kho khr khs kib kie kih kii kik kil kim kio kir kis kkb kke kkh kki kkk kkl kkm kkr kks kl- klb klh kli klm klo klr kls kmb kme kmh kmi kmk kml kmm kmo kms kob koe koh koi kok kol kom koo kor kos kri krk krl kro krr krs ksb kse ksh ksi ksk ksl ksm kso ksr kss lbb lbe lbh lbi lbk lbl lbm lbo lbr lbs leb lee leh lei lek lel lem leo ler les lhb lhh lhi lhk lho lhr lhs lib lie lih lii lik lil lim lio lir lis lkb lkh lkl lkr lks llb lle lli llk lll llm llo llr lls lmb lme lmh lmi lmk lml lmm lmo lmr lms lob loe loh loi lok lol lom loo lor los lrb lrh lri lrk lrm lro lrr lrs lsb lse lsh lsi lsk lsl lsm lso lsr lss m-o m-r mbb mbe mbh mbi mbk mbl mbm mbo mbr mbs meb mee meh mei mek mel mem meo mer mes mhh mhi mhk mhl mhm mho mhr mhs mi- mib mie mih mii mik mil mim mio mir mis mkb mke mkh mkk mkl mkm mko mkr mks mlb mle mlh mli mlk mll mlm mlo mlr mls mmb mme mmh mmi mmk mml mmm mmo mmr mms mob moe moh moi mok mol mom moo mor mos mrb mre mrh mri mrk mrl mrm mro mrr mrs msb mse msh msi msk msl msm mso msr mss o-i ob- obb obe obh obi obk obl obm obo obr obs oeb oee oeh oei oel oem oeo oer oes ohe ohh ohi ohl ohm oho ohr ohs oib oie oii oik oil oim oio oir ois okb oke oki okk okl oko okr oks olb ole oli olk oll olm olo ols om- omb ome omh omi oml omm omo omr oms oo- oob ooh ooi ook ool oom ooo oor oos or- orb ore orh ori ork orl orm oro orr ors os- osb ose osh osi osk osl osm oso osr oss rbb rbe rbh rbi rbk rbl rbm rbo rbr rbs re- reb ree reh rei rek rel rem reo rer res rh- rhb rhe rhh rhi rhl rhm rho rhr rhs rib rie rih rii rik ril rim rio rir ris rkb rke rkk rkm rko rks rle rlh rli rll rlm rlo rlr rls rmb rme rmh rmi rml rmm rmo rmr rms rob roe roh roi rok rol rom roo ror ros rrb rrh rri rrk rrl rrm rrr rrs rsb rse rsh rsi rsk rsl rsm rso rsr rss sbb sbe sbh sbi sbk sbl sbm sbo sbr sbs se- seb see seh sei sek sel sem seo ser ses sh- shb she shh shi shk shl shm sho shr shs sib sie sih sii sik sil sim sio sir sis sk- skb ske skh ski skk skl skm sko skr sks slb sle slh sli slk sll slm slo slr sls smb sme smh smi smk sml smm smo smr sms sob soe soh soi sok sol som soo sor sos sr- srb sre srh sri srk srl srm sro srr srs ss- ssb sse ssh ssi ssk ssl ssm sso ssr sss