-er -ol bbb bbe bbh bbk bbl bbm bbo bbr be- beb bee beh bek bel bem beo ber bhb bhe bhh bhk bhl bhm bho bhr bkb bke bkk bkl bkm bko bkr blb ble blh blk bll blm blo blr bmb bme bmh bmk bml bmm bmo bmr bob boe boh bok bol bom boo bor brb bre brh brk brl brm bro brr ebb ebe ebh ebk ebl ebm ebo ebr eeb eee eek eel eem eeo eer ehb ehe ehh ehl ehm eho ehr ekb eke ekh ekl eko ekr elb ele elh elk ell elm elo elr em- emb eme emh emk eml emm emo emr eo- eob eoe eoh eok eol eom eoo eor erb ere erh erk erl erm ero err hbb hbe hbh hbk hbl hbm hbo hbr he- heb hee heh hek hel hem heo her hhb hhe hhh hhk hhl hhm hho hhr hkb hkh hkk hkl hkm hko hkr hlb hle hlh hll hlm hlo hlr hmb hme hmh hmk hml hmm hmo hmr hob hoe hoh hok hol hom hoo hor hr- hrb hre hrh hrk hrl hrm hro hrr kbb kbe kbh kbk kbl kbm kbo kbr ke- keb kee keh kek kel kem keo ker khe khh khk khm kho khr kkb kke kkh kkk kkl kkm kkr kl- klb klh klm klo klr kmb kme kmh kmk kml kmm kmo kob koe koh kok kol kom koo kor krk krl kro krr lbb lbe lbh lbk lbl lbm lbo lbr leb lee leh lek lel lem leo ler lhb lhh lhk lho lhr lkb lkh lkl lkr llb lle llk lll llm llo llr lmb lme lmh lmk lml lmm lmo lmr lob loe loh lok lol lom loo lor lrb lrh lrk lrm lro lrr m-o m-r mbb mbe mbh mbk mbl mbm mbo mbr meb mee meh mek mel mem meo mer mhh mhk mhl mhm mho mhr mkb mke mkh mkk mkl mkm mko mkr mlb mle mlh mlk mll mlm mlo mlr mmb mme mmh mmk mml mmm mmo mmr mob moe moh mok mol mom moo mor mrb mre mrh mrk mrl mrm mro mrr ob- obb obe obh obk obl obm obo obr oeb oee oeh oel oem oeo oer ohe ohh ohl ohm oho ohr okb oke okk okl oko okr olb ole olk oll olm olo om- omb ome omh oml omm omo omr oo- oob ooh ook ool oom ooo oor or- orb ore orh ork orl orm oro orr rbb rbe rbh rbk rbl rbm rbo rbr re- reb ree reh rek rel rem reo rer rh- rhb rhe rhh rhl rhm rho rhr rkb rke rkk rkm rko rle rlh rll rlm rlo rlr rmb rme rmh rml rmm rmo rmr rob roe roh rok rol rom roo ror rrb rrh rrk rrl rrm rrr