-al -ol a-a a-b aaa aab aae aaf aal aam aao ab- aba abb abe abf abl abm abo aea aeb aee aef ael aem aeo af- afa afb afe aff afl afm afo al- ala alb ale alf all alm alo ama amb ame amf aml amm amo aoa aob aoe aof aol aom aoo baa bab bae baf bal bam bao bba bbb bbe bbf bbl bbm bbo be- bea beb bee bef bel bem beo bfa bfb bfe bff bfl bfm bfo bla blb ble blf bll blm blo bma bmb bme bmf bml bmm bmo boa bob boe bof bol bom boo eaa eab eae eaf eal eam eao eba ebb ebe ebf ebl ebm ebo eea eeb eee eef eel eem eeo ef- efa efb efe eff efl efm efo ela elb ele elf ell elm elo em- ema emb eme emf eml emm emo eo- eoa eob eoe eof eol eom eoo faa fab fae faf fal fam fao fba fbb fbe fbf fbl fbm fbo fea feb fee fef fel fem feo ffa ffe fff ffl ffm ffo fla flb fle flf fll flm flo fma fmb fme fmf fml fmm fmo foa fob foe fof fol fom foo la- laa lab lae laf lal lam lao lba lbb lbe lbf lbl lbm lbo lea leb lee lef lel lem leo lfa lfb lfe lff lfl lfm lfo lla llb lle llf lll llm llo lma lmb lme lmf lml lmm lmo loa lob loe lof lol lom loo m-f m-o maa mab mae maf mal mam mao mba mbb mbe mbf mbl mbm mbo mea meb mee mef mel mem meo mfa mfb mfe mff mfl mfm mfo mla mlb mle mlf mll mlm mlo mma mmb mme mmf mml mmm mmo moa mob moe mof mol mom moo oaa oab oae oaf oal oam oao ob- oba obb obe obf obl obm obo oea oeb oee oef oel oem oeo of- ofa ofb ofe off ofl ofm ofo ola olb ole olf oll olm olo om- oma omb ome omf oml omm omo oo- ooa oob oof ool oom ooo