-al a-a a-b aaa aab aal aan aau aax ab- aba abb abl abn abu abx al- ala alb all aln alu alx an- ana anb anl ann anu anx au- aua aub aul aun aux ax- axa axl axn axx b-u baa bab bal ban bau bax bba bbb bbl bbn bbu bbx bla blb bll bln blu blx bna bnb bnl bnn bnu bnx bua bub bul bun buu bux bxb bxl bxn bxx la- laa lab lal lan lau lax lba lbb lbl lbu lbx lla llb lll lln llu lna lnb lnl lnn lnu lua lub lul lun luu lux lxx naa nab nal nan nau nax nba nbb nbl nbn nbu nbx nla nlb nll nln nlu nlx nna nnb nnl nnn nnu nua nub nul nun nuu nux nxl ua- uaa uab ual uan uau uba ubb ubl ubn ubu ubx ula ulb ull uln ulu un- una unb unl unn unu unx uua uun uuu uxb uxu xaa xal xan xau xbl xbx xla xlb xna xnu xul xun xxl xxx