-al a-a a-b aaa aab aae aag aal aan aau ab- aba abb abe abg abl abn abu aea aeb aee aeg ael aen aeu ag- aga agb age agg agl agn agu al- ala alb ale alg all aln alu an- ana anb ane ang anl ann anu au- aua aub aue aug aul aun b-u baa bab bae bag bal ban bau bba bbb bbe bbg bbl bbn bbu be- bea beb bee beg bel ben beu bga bgb bge bgg bgl bgn bgu bla blb ble blg bll bln blu bna bnb bne bng bnl bnn bnu bua bub bue bug bul bun buu eaa eab eae eag eal ean eau eba ebb ebe ebg ebl ebn ebu eea eeb eee eeg eel een ega egb ege egg egl egn egu ela elb ele elg ell eln elu en- ena enb ene eng enl enn enu eu- eua eub eue eug eul eun gaa gab gae gag gal gan gau gba gbe gbg gbl gbn gbu ge- gea geb gee geg gel gen geu gga ggb ggg ggn ggu gla glb gle glg gll gln glu gna gnb gne gnl gnn gnu gu- gua gub gue gug gul gun guu la- laa lab lae lag lal lan lau lba lbb lbe lbg lbl lbu lea leb lee leg lel len leu lga lgb lge lgg lgl lgn lgu lla llb lle llg lll lln llu lna lnb lne lng lnl lnn lnu lua lub lue lug lul lun luu naa nab nae nag nal nan nau nba nbb nbe nbg nbl nbn nbu ne- nea neb nee neg nel nen neu nga ngb nge ngg ngl ngn ngu nla nlb nle nlg nll nln nlu nna nnb nne nng nnl nnn nnu nua nub nue nug nul nun nuu ua- uaa uab uae uag ual uan uau uba ubb ube ubg ubl ubn ubu uea ueb uee ueg uel uen uga ugb uge ugg ugl ugn ugu ula ulb ule ulg ull uln ulu un- una unb une ung unl unn unu uua uue uug uun uuu