-al -ol a-a a-b aaa aab aae aak aal aan aao aau ab- aba abb abe abk abl abn abo abu aea aeb aee aek ael aen aeo aeu aka akb ake akk akl akn ako aku al- ala alb ale alk all aln alo alu an- ana anb ane ank anl ann ano anu aoa aob aoe aok aol aon aoo aou au- aua aub aue auk aul aun auo b-u baa bab bae bak bal ban bao bau bba bbb bbe bbk bbl bbn bbo bbu be- bea beb bee bek bel ben beo beu bka bkb bke bkk bkl bkn bko bla blb ble blk bll bln blo blu bna bnb bne bnk bnl bnn bno bnu boa bob boe bok bol bon boo bou bua bub bue buk bul bun buo buu eaa eab eae eak eal ean eao eau eba ebb ebe ebk ebl ebn ebo ebu eea eeb eee eek eel een eeo eka ekb eke ekl eko eku ela elb ele elk ell eln elo elu en- ena enb ene enk enl enn eno enu eo- eoa eob eoe eok eol eon eoo eou eu- eua eub eue eul eun ka- kaa kab kae kak kal kan kao kau kba kbb kbe kbk kbl kbn kbo kbu ke- kea keb kee kek kel ken keo kkb kke kkk kkl kkn kku kl- kla klb klo klu kn- kna kne knk knl knn kno knu koa kob koe kok kol kon koo kou kub kue kuk kul kun kuu la- laa lab lae lak lal lan lao lau lba lbb lbe lbk lbl lbo lbu lea leb lee lek lel len leo leu lka lkb lkl lla llb lle llk lll lln llo llu lna lnb lne lnk lnl lnn lno lnu loa lob loe lok lol lon loo lou lua lub lue luk lul lun luo luu naa nab nae nak nal nan nao nau nba nbb nbe nbk nbl nbn nbo nbu ne- nea neb nee nek nel nen neo neu nka nke nkk nkn nko nku nla nlb nle nlk nll nln nlo nlu nna nnb nne nnk nnl nnn nno nnu no- noa nob noe nok nol non noo nou nua nub nue nuk nul nun nuo nuu oaa oab oae oak oal oan oao oau ob- oba obb obe obk obl obn obo obu oea oeb oee oel oen oeo oka okb oke okk okl oko oku ola olb ole olk oll oln olo olu on- ona onb one onk onl onn ono onu oo- ooa oob ook ool oon ooo ou- oua oue ouk oul oun ouo ua- uaa uab uae uak ual uan uao uau uba ubb ube ubk ubl ubn ubo ubu uea ueb uee uel uen uka ukb uke ukk ukl ukn uku ula ulb ule ulk ull uln ulo ulu un- una unb une unk unl unn uno unu uoa uob uoe uok uol uon uoo uua uue uun uuu