-al -ol a-a a-b aaa aab aaf aal aam aan aao aau ab- aba abb abf abl abm abn abo abu af- afa afb aff afl afm afn afo afu al- ala alb alf all alm aln alo alu ama amb amf aml amm amn amo amu an- ana anb anf anl anm ann ano anu aoa aob aof aol aom aon aoo aou au- aua aub auf aul aum aun auo b-u baa bab baf bal bam ban bao bau bba bbb bbf bbl bbm bbn bbo bbu bfa bfb bff bfl bfm bfn bfo bfu bla blb blf bll blm bln blo blu bma bmb bmf bml bmm bmn bmo bmu bna bnb bnf bnl bnn bno bnu boa bob bof bol bom bon boo bou bua bub buf bul bum bun buo buu faa fab faf fal fam fan fao fau fba fbb fbf fbl fbm fbn fbo fbu ffa fff ffl ffm ffn ffo ffu fla flb flf fll flm fln flo flu fma fmb fmf fml fmm fmn fmo fmu fna fnb fnf fnl fnm fnn fnu foa fob fof fol fom fon foo fou fua fub fuf ful fum fun fuo fuu la- laa lab laf lal lam lan lao lau lba lbb lbf lbl lbm lbo lbu lfa lfb lff lfl lfm lfn lfo lfu lla llb llf lll llm lln llo llu lma lmb lmf lml lmm lmn lmo lmu lna lnb lnl lnm lnn lno lnu loa lob lof lol lom lon loo lou lua lub luf lul lum lun luo luu m-f m-o maa mab maf mal mam man mao mau mba mbb mbf mbl mbm mbo mbu mfa mfb mff mfl mfm mfn mfo mfu mla mlb mlf mll mlm mln mlo mlu mma mmb mmf mml mmm mmn mmo mmu mna mnb mnf mnl mnm mnn mno mnu moa mob mof mol mom mon moo mou mua mub muf mul mum mun muu naa nab naf nal nam nan nao nau nba nbb nbf nbl nbm nbn nbo nbu nfa nfb nff nfl nfn nfo nfu nla nlb nlf nll nlm nln nlo nlu nma nmb nml nmm nmn nmo nmu nna nnb nnf nnl nnm nnn nno nnu no- noa nob nof nol nom non noo nou nua nub nul num nun nuo nuu oaa oab oaf oal oam oan oao oau ob- oba obb obf obl obm obn obo obu of- ofa ofb off ofl ofm ofn ofo ofu ola olb olf oll olm oln olo olu om- oma omb omf oml omm omn omo omu on- ona onb onf onl onn ono onu oo- ooa oob oof ool oom oon ooo ou- oua ouf oul oum oun ouo ua- uaa uab uaf ual uam uan uao uau uba ubb ubf ubl ubn ubo ubu ufa uff ufl ufm ufn ufo ufu ula ulb ulf ull ulm uln ulo ulu um- uma umb umf uml umm umn umo umu un- una unb unf unl unm unn uno unu uoa uob uol uom uon uoo uua uum uun uuu