-al a-a a-b aaa aab aad aae aak aal aau ab- aba abb abd abe abk abl abu ad- ada adb add ade adk adl adu aea aeb aed aee aek ael aeu aka akb akd ake akk akl aku al- ala alb ald ale alk all alu au- aua aub aud aue auk aul b-u baa bab bad bae bak bal bau bba bbb bbd bbe bbk bbl bbu bda bdb bdd bde bdk bdl bdu be- bea beb bed bee bek bel beu bka bkb bke bkk bkl bla blb bld ble blk bll blu bua bub bud bue buk bul buu daa dab dad dae dak dal dau dba dbb dbd dbe dbk dbl dbu dda ddb ddd dde ddk ddl ddu de- dea deb ded dee dek del deu dka dkb dke dkk dkl dku dl- dla dlb dld dle dlk dll dlu dua dub dud due duk dul eaa eab ead eae eak eal eau eba ebb ebd ebe ebk ebl ebu ed- eda edb edd ede edk edl edu eea eeb eed eee eek eel eka ekb ekd eke ekl eku ela elb eld ele elk ell elu eu- eua eub eud eue eul ka- kaa kab kad kae kak kal kau kba kbb kbd kbe kbk kbl kbu kda kdb kde kdk kdl kdu ke- kea keb ked kee kek kel kkb kke kkk kkl kku kl- kla klb kld klu kub kud kue kuk kul kuu la- laa lab lad lae lak lal lau lba lbb lbd lbe lbk lbl lbu lda ldb ldd lde ldk ldl ldu lea leb led lee lek lel leu lka lkb lkl lla llb lld lle llk lll llu lua lub lud lue luk lul luu ua- uaa uab uad uae uak ual uau uba ubb ube ubk ubl ubu uda udb udd ude udk udl udu uea ueb ued uee uel uka ukb uke ukk ukl uku ula ulb uld ule ulk ull ulu uua uue uuu