-al a-a a-b aaa aab aae aag aak aal aau ab- aba abb abe abg abk abl abu aea aeb aee aeg aek ael aeu ag- aga agb age agg agk agl agu aka akb ake akg akk akl aku al- ala alb ale alg alk all alu au- aua aub aue aug auk aul b-u baa bab bae bag bak bal bau bba bbb bbe bbg bbk bbl bbu be- bea beb bee beg bek bel beu bga bgb bge bgg bgk bgl bgu bka bkb bke bkg bkk bkl bla blb ble blg blk bll blu bua bub bue bug buk bul buu eaa eab eae eag eak eal eau eba ebb ebe ebg ebk ebl ebu eea eeb eee eeg eek eel ega egb ege egg egl egu eka ekb eke ekg ekl eku ela elb ele elg elk ell elu eu- eua eub eue eug eul gaa gab gae gag gak gal gau gba gbe gbg gbk gbl gbu ge- gea geb gee geg gek gel geu gga ggb ggg ggu gka gkb gla glb gle glg glk gll glu gu- gua gub gue gug guk gul guu ka- kaa kab kae kag kak kal kau kba kbb kbe kbk kbl kbu ke- kea keb kee keg kek kel kga kgb kgl kgu kkb kke kkk kkl kku kl- kla klb klg klu kub kue kug kuk kul kuu la- laa lab lae lag lak lal lau lba lbb lbe lbg lbk lbl lbu lea leb lee leg lek lel leu lga lgb lge lgg lgk lgl lgu lka lkb lkg lkl lla llb lle llg llk lll llu lua lub lue lug luk lul luu ua- uaa uab uae uag uak ual uau uba ubb ube ubg ubk ubl ubu uea ueb uee ueg uel uga ugb uge ugg ugk ugl ugu uka ukb uke ukk ukl uku ula ulb ule ulg ulk ull ulu uua uue uug uuu