-al -ol a-a a-b aaa aab aaf aah aal aam aan aao ab- aba abb abf abh abl abm abn abo af- afa afb aff afh afl afm afn afo aha ahb ahf ahh ahl ahm ahn aho al- ala alb alf alh all alm aln alo ama amb amf amh aml amm amn amo an- ana anb anf anh anl anm ann ano aoa aob aof aoh aol aom aon aoo baa bab baf bah bal bam ban bao bba bbb bbf bbh bbl bbm bbn bbo bfa bfb bff bfh bfl bfm bfn bfo bha bhb bhf bhh bhl bhm bho bla blb blf blh bll blm bln blo bma bmb bmf bmh bml bmm bmn bmo bna bnb bnf bnl bnn bno boa bob bof boh bol bom bon boo faa fab faf fah fal fam fan fao fba fbb fbf fbh fbl fbm fbn fbo ffa fff ffh ffl ffm ffn ffo fha fhb fhf fhh fhl fhm fhn fho fla flb flf fll flm fln flo fma fmb fmf fmh fml fmm fmn fmo fna fnb fnf fnh fnl fnm fnn foa fob fof foh fol fom fon foo haa hab haf hah hal ham han hao hba hbb hbf hbh hbl hbm hbn hbo hfa hfb hff hfh hfl hfm hfn hfo hha hhb hhf hhh hhl hhm hhn hho hla hlb hlf hlh hll hlm hln hlo hma hmb hmf hmh hml hmm hmo hna hnb hnf hnh hnl hnn hno hoa hob hof hoh hol hom hon hoo la- laa lab laf lah lal lam lan lao lba lbb lbf lbh lbl lbm lbo lfa lfb lff lfh lfl lfm lfn lfo lha lhb lhf lhh lho lla llb llf lll llm lln llo lma lmb lmf lmh lml lmm lmn lmo lna lnb lnh lnl lnm lnn lno loa lob lof loh lol lom lon loo m-f m-o maa mab maf mah mal mam man mao mba mbb mbf mbh mbl mbm mbo mfa mfb mff mfh mfl mfm mfn mfo mha mhf mhh mhl mhm mhn mho mla mlb mlf mlh mll mlm mln mlo mma mmb mmf mmh mml mmm mmn mmo mna mnb mnf mnl mnm mnn mno moa mob mof moh mol mom mon moo naa nab naf nah nal nam nan nao nba nbb nbf nbl nbm nbn nbo nfa nfb nff nfl nfn nfo nha nhb nhf nhh nhl nhm nhn nla nlb nlf nlh nll nlm nln nlo nma nmb nmh nml nmm nmn nmo nna nnb nnf nnh nnl nnm nnn nno no- noa nob nof noh nol nom non noo oaa oab oaf oah oal oam oan oao ob- oba obb obf obh obl obm obn obo of- ofa ofb off ofl ofm ofn ofo oha ohf ohh ohl ohm ohn oho ola olb olf oll olm oln olo om- oma omb omf omh oml omm omn omo on- ona onb onf onh onl onn ono oo- ooa oob oof ooh ool oom oon ooo