-al -ol a-a a-b aaa aab aal aam aao aax ab- aba abb abl abm abo abx al- ala alb all alm alo alx ama amb aml amm amo amx aoa aob aol aom aoo aox ax- axa axl axm axo axx baa bab bal bam bao bax bba bbb bbl bbm bbo bbx bla blb bll blm blo blx bma bmb bml bmm bmo bmx boa bob bol bom boo box bxb bxl bxm bxo bxx la- laa lab lal lam lao lax lba lbb lbl lbm lbo lbx lla llb lll llm llo lma lmb lml lmm lmo loa lob lol lom loo lox lxo lxx m-o maa mab mal mam mao max mba mbb mbl mbm mbo mbx mla mlb mll mlm mlo mlx mma mmb mml mmm mmo mmx moa mob mol mom moo mox mxa mxl oaa oab oal oam oao oax ob- oba obb obl obm obo obx ola olb oll olm olo om- oma omb oml omm omo omx oo- ooa oob ool oom ooo oox ox- oxa oxb oxo oxx xaa xal xam xbl xbx xla xlb xlm xma xml xmm xmo xmx xoa xom xoo xox xxl xxo xxx