-al -ol a-a a-b aaa aab aak aal aam aan aao ab- aba abb abk abl abm abn abo aka akb akk akl akm akn ako al- ala alb alk all alm aln alo ama amb amk aml amm amn amo an- ana anb ank anl anm ann ano aoa aob aok aol aom aon aoo baa bab bak bal bam ban bao bba bbb bbk bbl bbm bbn bbo bka bkb bkk bkl bkm bkn bko bla blb blk bll blm bln blo bma bmb bmk bml bmm bmn bmo bna bnb bnk bnl bnn bno boa bob bok bol bom bon boo ka- kaa kab kak kal kam kan kao kba kbb kbk kbl kbm kbn kbo kkb kkk kkl kkm kkn kl- kla klb klm klo kma kmb kmk kml kmm kmo kn- kna knk knl knm knn kno koa kob kok kol kom kon koo la- laa lab lak lal lam lan lao lba lbb lbk lbl lbm lbo lka lkb lkl lla llb llk lll llm lln llo lma lmb lmk lml lmm lmn lmo lna lnb lnk lnl lnm lnn lno loa lob lok lol lom lon loo m-o maa mab mak mal mam man mao mba mbb mbk mbl mbm mbo mka mkb mkk mkl mkm mkn mko mla mlb mlk mll mlm mln mlo mma mmb mmk mml mmm mmn mmo mna mnb mnk mnl mnm mnn mno moa mob mok mol mom mon moo naa nab nak nal nam nan nao nba nbb nbk nbl nbm nbn nbo nka nkk nkm nkn nko nla nlb nlk nll nlm nln nlo nma nmb nmk nml nmm nmn nmo nna nnb nnk nnl nnm nnn nno no- noa nob nok nol nom non noo oaa oab oak oal oam oan oao ob- oba obb obk obl obm obn obo oka okb okk okl oko ola olb olk oll olm oln olo om- oma omb oml omm omn omo on- ona onb onk onl onn ono oo- ooa oob ook ool oom oon ooo