-al -ol a-a a-b aaa aab aal aam aan aao ab- aba abb abl abm abn abo al- ala alb all alm aln alo ama amb aml amm amn amo an- ana anb anl anm ann ano aoa aob aol aom aon aoo baa bab bal bam ban bao bba bbb bbl bbm bbn bbo bla blb bll blm bln blo bma bmb bml bmm bmn bmo bna bnb bnl bnn bno boa bob bol bom bon boo la- laa lab lal lam lan lao lba lbb lbl lbm lbo lla llb lll llm lln llo lma lmb lml lmm lmn lmo lna lnb lnl lnm lnn lno loa lob lol lom lon loo m-o maa mab mal mam man mao mba mbb mbl mbm mbo mla mlb mll mlm mln mlo mma mmb mml mmm mmn mmo mna mnb mnl mnm mnn mno moa mob mol mom mon moo naa nab nal nam nan nao nba nbb nbl nbm nbn nbo nla nlb nll nlm nln nlo nma nmb nml nmm nmn nmo nna nnb nnl nnm nnn nno no- noa nob nol nom non noo oaa oab oal oam oan oao ob- oba obb obl obm obn obo ola olb oll olm oln olo om- oma omb oml omm omn omo on- ona onb onl onn ono oo- ooa oob ool oom oon ooo