-al a-a a-b aaa aab aak aal aan aau aax ab- aba abb abk abl abn abu abx aka akb akk akl akn aku al- ala alb alk all aln alu alx an- ana anb ank anl ann anu anx au- aua aub auk aul aun aux ax- axa axk axl axn axx b-u baa bab bak bal ban bau bax bba bbb bbk bbl bbn bbu bbx bka bkb bkk bkl bkn bkx bla blb blk bll bln blu blx bna bnb bnk bnl bnn bnu bnx bua bub buk bul bun buu bux bxb bxl bxn bxx ka- kaa kab kak kal kan kau kax kba kbb kbk kbl kbn kbu kbx kkb kkk kkl kkn kku kl- kla klb klu klx kn- kna knk knl knn knu knx kub kuk kul kun kuu kxl la- laa lab lak lal lan lau lax lba lbb lbk lbl lbu lbx lka lkb lkl lla llb llk lll lln llu lna lnb lnk lnl lnn lnu lua lub luk lul lun luu lux lxx naa nab nak nal nan nau nax nba nbb nbk nbl nbn nbu nbx nka nkk nkn nku nla nlb nlk nll nln nlu nlx nna nnb nnk nnl nnn nnu nua nub nuk nul nun nuu nux nxl ua- uaa uab uak ual uan uau uba ubb ubk ubl ubn ubu ubx uka ukb ukk ukl ukn uku ula ulb ulk ull uln ulu un- una unb unk unl unn unu unx uua uun uuu uxb uxu xaa xak xal xan xau xbl xbx xkb xkl xla xlb xna xnk xnu xul xun xxl xxx