a-a a-b a-t aaa aab aag aam aan aat aau ab- aba abb abg abm abn abt abu ag- aga agb agg agm agn agt agu ama amb amg amm amn amt amu an- ana anb ang anm ann ant anu at- ata atb atg atm atn att atu au- aua aub aug aum aun aut b-u baa bab bag bam ban bat bau bba bbb bbg bbm bbn bbt bbu bga bgb bgg bgm bgn bgt bgu bma bmb bmg bmm bmn bmt bmu bna bnb bng bnn bnt bnu bta btb btg btm btn btt btu bua bub bug bum bun but buu gaa gab gag gam gan gat gau gba gbg gbm gbn gbt gbu gga ggb ggg ggm ggn ggt ggu gma gmb gmg gmm gmn gmt gna gnb gnm gnn gnt gnu gta gtb gtg gtm gtn gtt gtu gu- gua gub gug gum gun gut guu maa mab mag mam man mat mau mba mbb mbg mbm mbt mbu mga mgb mgm mgn mgt mgu mma mmb mmg mmm mmn mmt mmu mna mnb mng mnm mnn mnt mnu mta mtb mtg mtm mtn mtt mtu mua mub mug mum mun mut muu naa nab nag nam nan nat nau nba nbb nbg nbm nbn nbt nbu nga ngb ngg ngm ngn ngt ngu nma nmb nmg nmm nmn nmt nmu nna nnb nng nnm nnn nnt nnu nta ntb ntg ntm ntn ntt ntu nua nub nug num nun nut nuu taa tab tag tam tan tat tau tba tbb tbg tbm tbn tbt tbu tga tgb tgg tgm tgn tgt tgu tma tmb tmg tmm tmn tmt tmu tna tnb tng tnm tnn tnt tta ttb ttg ttm ttn ttt ttu tua tub tug tum tun tut tuu ua- uaa uab uag uam uan uat uau uba ubb ubg ubn ubt ubu uga ugb ugg ugm ugn ugt ugu um- uma umb umg umm umn umt umu un- una unb ung unm unn unt unu uta utb utm utn utt utu uua uug uum uun uut uuu