a-a a-b aaa aab aad aae aag aan aau ab- aba abb abd abe abg abn abu ad- ada adb add ade adg adn adu aea aeb aed aee aeg aen aeu ag- aga agb agd age agg agn agu an- ana anb and ane ang ann anu au- aua aub aud aue aug aun b-u baa bab bad bae bag ban bau bba bbb bbd bbe bbg bbn bbu bda bdb bdd bde bdg bdu be- bea beb bed bee beg ben beu bga bgb bgd bge bgg bgn bgu bna bnb bnd bne bng bnn bnu bua bub bud bue bug bun buu daa dab dad dae dag dan dau dba dbb dbd dbe dbg dbn dbu dda ddb ddd dde ddg ddn ddu de- dea deb ded dee deg den deu dga dgd dge dgg dgn dgu dna dnb dnd dne dng dnn dua dub dud due dug dun eaa eab ead eae eag ean eau eba ebb ebd ebe ebg ebn ebu ed- eda edb edd ede edg edn edu eea eeb eed eee eeg een ega egb egd ege egg egn egu en- ena enb end ene eng enn enu eu- eua eub eud eue eug eun g-d gaa gab gad gae gag gan gau gba gbd gbe gbg gbn gbu gda gdb gdd gde gdn gdu ge- gea geb ged gee geg gen geu gga ggb ggd ggg ggn ggu gna gnb gnd gne gnn gnu gu- gua gub gud gue gug gun guu naa nab nad nae nag nan nau nba nbb nbd nbe nbg nbn nbu nda ndb ndd nde ndg ndn ndu ne- nea neb ned nee neg nen neu nga ngb ngd nge ngg ngn ngu nna nnb nne nng nnn nnu nua nub nud nue nug nun nuu ua- uaa uab uad uae uag uan uau uba ubb ube ubg ubn ubu uda udb udd ude udg udn udu uea ueb ued uee ueg uen uga ugb uge ugg ugn ugu un- una unb und une ung unn unu uua uue uug uun uuu