-al a-a a-b aaa aab aad aae aag aal aau ab- aba abb abd abe abg abl abu ad- ada adb add ade adg adl adu aea aeb aed aee aeg ael aeu ag- aga agb agd age agg agl agu al- ala alb ald ale alg all alu au- aua aub aud aue aug aul b-u baa bab bad bae bag bal bau bba bbb bbd bbe bbg bbl bbu bda bdb bdd bde bdg bdl bdu be- bea beb bed bee beg bel beu bga bgb bgd bge bgg bgl bgu bla blb bld ble blg bll blu bua bub bud bue bug bul buu daa dab dad dae dag dal dau dba dbb dbd dbe dbg dbl dbu dda ddb ddd dde ddg ddl ddu de- dea deb ded dee deg del deu dga dgd dge dgg dgl dgu dl- dla dlb dld dle dlg dll dlu dua dub dud due dug dul eaa eab ead eae eag eal eau eba ebb ebd ebe ebg ebl ebu ed- eda edb edd ede edg edl edu eea eeb eed eee eeg eel ega egb egd ege egg egl egu ela elb eld ele elg ell elu eu- eua eub eud eue eug eul g-d gaa gab gad gae gag gal gau gba gbd gbe gbg gbl gbu gda gdb gdd gde gdl gdu ge- gea geb ged gee geg gel geu gga ggb ggd ggg ggu gla glb gld gle glg gll glu gu- gua gub gud gue gug gul guu la- laa lab lad lae lag lal lau lba lbb lbd lbe lbg lbl lbu lda ldb ldd lde ldg ldl ldu lea leb led lee leg lel leu lga lgb lgd lge lgg lgl lgu lla llb lld lle llg lll llu lua lub lud lue lug lul luu ua- uaa uab uad uae uag ual uau uba ubb ube ubg ubl ubu uda udb udd ude udg udl udu uea ueb ued uee ueg uel uga ugb uge ugg ugl ugu ula ulb uld ule ulg ull ulu uua uue uug uuu