-al a-a a-b aaa aab aad aak aal aan aau ab- aba abb abd abk abl abn abu ad- ada adb add adk adl adn adu aka akb akd akk akl akn aku al- ala alb ald alk all aln alu an- ana anb and ank anl ann anu au- aua aub aud auk aul aun b-u baa bab bad bak bal ban bau bba bbb bbd bbk bbl bbn bbu bda bdb bdd bdk bdl bdu bka bkb bkk bkl bkn bla blb bld blk bll bln blu bna bnb bnd bnk bnl bnn bnu bua bub bud buk bul bun buu daa dab dad dak dal dan dau dba dbb dbd dbk dbl dbn dbu dda ddb ddd ddk ddl ddn ddu dka dkb dkk dkl dku dl- dla dlb dld dlk dll dlu dna dnb dnd dnk dnl dnn dua dub dud duk dul dun ka- kaa kab kad kak kal kan kau kba kbb kbd kbk kbl kbn kbu kda kdb kdk kdl kdu kkb kkk kkl kkn kku kl- kla klb kld klu kn- kna knd knk knl knn knu kub kud kuk kul kun kuu la- laa lab lad lak lal lan lau lba lbb lbd lbk lbl lbu lda ldb ldd ldk ldl ldn ldu lka lkb lkl lla llb lld llk lll lln llu lna lnb lnd lnk lnl lnn lnu lua lub lud luk lul lun luu naa nab nad nak nal nan nau nba nbb nbd nbk nbl nbn nbu nda ndb ndd ndk ndl ndn ndu nka nkk nkn nku nla nlb nld nlk nll nln nlu nna nnb nnk nnl nnn nnu nua nub nud nuk nul nun nuu ua- uaa uab uad uak ual uan uau uba ubb ubk ubl ubn ubu uda udb udd udk udl udn udu uka ukb ukk ukl ukn uku ula ulb uld ulk ull uln ulu un- una unb und unk unl unn unu uua uun uuu