-al -ol a-a a-b aaa aab aak aal aan aao aau aav ab- aba abb abk abl abn abo abu abv aka akb akk akl akn ako aku akv al- ala alb alk all aln alo alu alv an- ana anb ank anl ann ano anu anv aoa aob aok aol aon aoo aou aov au- aua aub auk aul aun auo auv av- ava avb avk avl avn avo avu b-u baa bab bak bal ban bao bau bav bba bbb bbk bbl bbn bbo bbu bka bkb bkk bkl bkn bko bkv bla blb blk bll bln blo blu blv bna bnb bnk bnl bnn bno bnu bnv boa bob bok bol bon boo bou bov bua bub buk bul bun buo buu bva bvb bvk bvl bvn bvo bvu bvv ka- kaa kab kak kal kan kao kau kav kba kbb kbk kbl kbn kbo kbu kkb kkk kkl kkn kku kkv kl- kla klb klo klu klv kn- kna knk knl knn kno knu koa kob kok kol kon koo kou kub kuk kul kun kuu kva kvb kvk kvn kvo kvv la- laa lab lak lal lan lao lau lav lba lbb lbk lbl lbo lbu lbv lka lkb lkl lla llb llk lll lln llo llu llv lna lnb lnk lnl lnn lno lnu loa lob lok lol lon loo lou lov lua lub luk lul lun luo luu luv lva lvb lvl lvn lvv naa nab nak nal nan nao nau nav nba nbb nbk nbl nbn nbo nbu nbv nka nkk nkn nko nku nla nlb nlk nll nln nlo nlu nlv nna nnb nnk nnl nnn nno nnu nnv no- noa nob nok nol non noo nou nov nua nub nuk nul nun nuo nuu nuv nva nvb nvk nvl nvn nvu nvv oaa oab oak oal oan oao oau oav ob- oba obb obk obl obn obo obu obv 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 oov ou- oua ouk oul oun ouo ov- ova ovb ovl ovo ovv ua- uaa uab uak ual uan uao uau uav uba ubb ubk ubl ubn ubo ubu ubv uka ukb ukk ukl ukn uku ula ulb ulk ull uln ulo ulu ulv un- una unb unk unl unn uno unu unv uoa uob uok uol uon uoo uua uun uuu uva uvb uvl uvo uvu uvv v-a vaa vab vak val van vao vau vav vba vbk vbl vbo vbv vka vkb vl- vla vlb vlk vll vlo vlv vn- vna vnl vno vnu vnv voa vob vok vol von voo vou vov vuk vul vuv vva vvb vvo vvv