a-a a-b aaa aab aae aag aam aao aau ab- aba abb abe abg abm abo abu aea aeb aee aeg aem aeo aeu ag- aga agb age agg agm ago agu ama amb ame amg amm amo amu aoa aob aoe aog aom aoo aou au- aua aub aue aug aum auo b-u baa bab bae bag bam bao bau bba bbb bbe bbg bbm bbo bbu be- bea beb bee beg bem beo beu bga bgb bge bgg bgm bgo bgu bma bmb bme bmg bmm bmo bmu boa bob boe bog bom boo bou bua bub bue bug bum buo buu eaa eab eae eag eam eao eau eba ebb ebe ebg ebm ebo ebu eea eeb eee eeg eem eeo ega egb ege egg egm ego egu em- ema emb eme emg emm emo emu eo- eoa eob eoe eog eom eoo eou eu- eua eub eue eug gaa gab gae gag gam gao gau gba gbe gbg gbm gbo gbu ge- gea geb gee geg gem geo geu gga ggb ggg ggm ggo ggu gma gmb gme gmg gmm gmo goa gob goe gog gom goo gou gu- gua gub gue gug gum guo guu m-o maa mab mae mag mam mao mau mba mbb mbe mbg mbm mbo mbu mea meb mee meg mem meo meu mga mgb mge mgm mgo mgu mma mmb mme mmg mmm mmo mmu moa mob moe mog mom moo mou mua mub mue mug mum muu oaa oab oae oag oam oao oau ob- oba obb obe obg obm obo obu oea oeb oee oeg oem oeo oga oge ogg ogo om- oma omb ome omg omm omo omu oo- ooa oob oog oom ooo ou- oua oue oum ouo ua- uaa uab uae uag uam uao uau uba ubb ube ubg ubo ubu uea ueb uee ueg uem uga ugb uge ugg ugm ugo ugu um- uma umb ume umg umm umo umu uoa uob uoe uog uom uoo uua uue uug uum uuu