a-a a-b aaa aab aae aag aam aan aau ab- aba abb abe abg abm abn abu aea aeb aee aeg aem aen aeu ag- aga agb age agg agm agn agu ama amb ame amg amm amn amu an- ana anb ane ang anm ann anu au- aua aub aue aug aum aun b-u baa bab bae bag bam ban bau bba bbb bbe bbg bbm bbn bbu be- bea beb bee beg bem ben beu bga bgb bge bgg bgm bgn bgu bma bmb bme bmg bmm bmn bmu bna bnb bne bng bnn bnu bua bub bue bug bum bun buu eaa eab eae eag eam ean eau eba ebb ebe ebg ebm ebn ebu eea eeb eee eeg eem een ega egb ege egg egm egn egu em- ema emb eme emg emm emn emu en- ena enb ene eng enm enn enu eu- eua eub eue eug eun gaa gab gae gag gam gan gau gba gbe gbg gbm gbn gbu ge- gea geb gee geg gem gen geu gga ggb ggg ggm ggn ggu gma gmb gme gmg gmm gmn gna gnb gne gnm gnn gnu gu- gua gub gue gug gum gun guu maa mab mae mag mam man mau mba mbb mbe mbg mbm mbu mea meb mee meg mem men meu mga mgb mge mgm mgn mgu mma mmb mme mmg mmm mmn mmu mna mnb mne mng mnm mnn mnu mua mub mue mug mum mun muu naa nab nae nag nam nan nau nba nbb nbe nbg nbm nbn nbu ne- nea neb nee neg nem nen neu nga ngb nge ngg ngm ngn ngu nma nmb nme nmg nmm nmn nmu nna nnb nne nng nnm nnn nnu nua nub nue nug num nun nuu ua- uaa uab uae uag uam uan uau uba ubb ube ubg ubn ubu uea ueb uee ueg uem uen uga ugb uge ugg ugm ugn ugu um- uma umb ume umg umm umn umu un- una unb une ung unm unn unu uua uue uug uum uun uuu