-al -er -ol a-a a-b aaa aab aae aal aam aao aar ab- aba abb abe abl abm abo abr aea aeb aee ael aem aeo aer al- ala alb ale all alm alo alr ama amb ame aml amm amo amr aoa aob aoe aol aom aoo aor ar- ara arb are arl arm aro arr baa bab bae bal bam bao bar bba bbb bbe bbl bbm bbo bbr be- bea beb bee bel bem beo ber bla blb ble bll blm blo blr bma bmb bme bml bmm bmo bmr boa bob boe bol bom boo bor bra brb bre brl brm bro brr eaa eab eae eal eam eao ear eba ebb ebe ebl ebm ebo ebr eea eeb eee eel eem eeo eer ela elb ele ell elm elo elr em- ema emb eme eml emm emo emr eo- eoa eob eoe eol eom eoo eor era erb ere erl erm ero err la- laa lab lae lal lam lao lar lba lbb lbe lbl lbm lbo lbr lea leb lee lel lem leo ler lla llb lle lll llm llo llr lma lmb lme lml lmm lmo lmr loa lob loe lol lom loo lor lra lrb lrm lro lrr m-o m-r maa mab mae mal mam mao mar mba mbb mbe mbl mbm mbo mbr mea meb mee mel mem meo mer mla mlb mle mll mlm mlo mlr mma mmb mme mml mmm mmo mmr moa mob moe mol mom moo mor mra mrb mre mrl mrm mro mrr oaa oab oae oal oam oao oar ob- oba obb obe obl obm obo obr oea oeb oee oel oem oeo oer ola olb ole oll olm olo om- oma omb ome oml omm omo omr oo- ooa oob ool oom ooo oor or- ora orb ore orl orm oro orr ra- raa rab rae ral ram rao rar rba rbb rbe rbl rbm rbo rbr re- rea reb ree rel rem reo rer rla rle rll rlm rlo rlr rma rmb rme rml rmm rmo rmr roa rob roe rol rom roo ror rra rrb rrl rrm rrr