a-a a-b aaa aab aad aae aag aam aau ab- aba abb abd abe abg abm abu ad- ada adb add ade adg adm adu aea aeb aed aee aeg aem aeu ag- aga agb agd age agg agm agu ama amb amd ame amg amm amu au- aua aub aud aue aug aum b-u baa bab bad bae bag bam bau bba bbb bbd bbe bbg bbm bbu bda bdb bdd bde bdg bdm bdu be- bea beb bed bee beg bem beu bga bgb bgd bge bgg bgm bgu bma bmb bmd bme bmg bmm bmu bua bub bud bue bug bum buu daa dab dad dae dag dam dau dba dbb dbd dbe dbg dbm dbu dda ddb ddd dde ddg ddm ddu de- dea deb ded dee deg dem deu dga dgd dge dgg dgm dgu dma dmb dmd dme dmg dmm dmu dua dub dud due dug dum eaa eab ead eae eag eam eau eba ebb ebd ebe ebg ebm ebu ed- eda edb edd ede edg edm edu eea eeb eed eee eeg eem ega egb egd ege egg egm egu em- ema emb emd eme emg emm emu eu- eua eub eud eue eug g-d gaa gab gad gae gag gam gau gba gbd gbe gbg gbm gbu gda gdb gdd gde gdm gdu ge- gea geb ged gee geg gem geu gga ggb ggd ggg ggm ggu gma gmb gmd gme gmg gmm gu- gua gub gud gue gug gum guu maa mab mad mae mag mam mau mba mbb mbd mbe mbg mbm mbu mda mdb mdd mde mdg mdm mdu mea meb med mee meg mem meu mga mgb mgd mge mgm mgu mma mmb mmd mme mmg mmm mmu mua mub mud mue mug mum muu ua- uaa uab uad uae uag uam uau uba ubb ube ubg ubu uda udb udd ude udg udm udu uea ueb ued uee ueg uem uga ugb uge ugg ugm ugu um- uma umb umd ume umg umm umu uua uue uug uum uuu