-al -ol a-a a-b aaa aab aak aal aan aao aau ab- aba abb abk abl abn abo abu aka akb akk akl akn ako aku al- ala alb alk all aln alo alu an- ana anb ank anl ann ano anu aoa aob aok aol aon aoo aou au- aua aub auk aul aun auo b-u baa bab bak bal ban bao bau bba bbb bbk bbl bbn bbo bbu bka bkb bkk bkl bkn bko bla blb blk bll bln blo blu bna bnb bnk bnl bnn bno bnu boa bob bok bol bon boo bou bua bub buk bul bun buo buu ka- kaa kab kak kal kan kao kau kba kbb kbk kbl kbn kbo kbu kkb kkk kkl kkn kku kl- kla klb klo klu kn- kna knk knl knn kno knu koa kob kok kol kon koo kou kub kuk kul kun kuu la- laa lab lak lal lan lao lau lba lbb lbk lbl lbo lbu lka lkb lkl lla llb llk lll lln llo llu lna lnb lnk lnl lnn lno lnu loa lob lok lol lon loo lou lua lub luk lul lun luo luu naa nab nak nal nan nao nau nba nbb nbk nbl nbn nbo nbu nka nkk nkn nko nku nla nlb nlk nll nln nlo nlu nna nnb nnk nnl nnn nno nnu no- noa nob nok nol non noo nou nua nub nuk nul nun nuo nuu oaa oab oak oal oan oao oau ob- oba obb obk obl obn obo obu oka okb okk okl oko oku ola olb olk oll oln olo olu on- ona onb onk onl onn ono onu oo- ooa oob ook ool oon ooo ou- oua ouk oul oun ouo ua- uaa uab uak ual uan uao uau uba ubb ubk ubl ubn ubo ubu uka ukb ukk ukl ukn uku ula ulb ulk ull uln ulo ulu un- una unb unk unl unn uno unu uoa uob uok uol uon uoo uua uun uuu