-al -ol a-a a-b aaa aab aad aak aal aao aau ab- aba abb abd abk abl abo abu ad- ada adb add adk adl ado adu aka akb akd akk akl ako aku al- ala alb ald alk all alo alu aoa aob aod aok aol aoo aou au- aua aub aud auk aul auo b-u baa bab bad bak bal bao bau bba bbb bbd bbk bbl bbo bbu bda bdb bdd bdk bdl bdo bdu bka bkb bkk bkl bko bla blb bld blk bll blo blu boa bob bod bok bol boo bou bua bub bud buk bul buo buu daa dab dad dak dal dao dau dba dbb dbd dbk dbl dbo dbu dda ddb ddd ddk ddl ddo ddu dka dkb dkk dkl dko dku dl- dla dlb dld dlk dll dlo dlu doa dob dod dok dol doo dou dua dub dud duk dul duo ka- kaa kab kad kak kal kao kau kba kbb kbd kbk kbl kbo kbu kda kdb kdk kdl kdo kdu kkb kkk kkl kku kl- kla klb kld klo klu koa kob kod kok kol koo kou kub kud kuk kul kuu la- laa lab lad lak lal lao lau lba lbb lbd lbk lbl lbo lbu lda ldb ldd ldk ldl ldo ldu lka lkb lkl lla llb lld llk lll llo llu loa lob lod lok lol loo lou lua lub lud luk lul luo luu oaa oab oad oak oal oao oau ob- oba obb obd obk obl obo obu oda odb odd odl odo odu oka okb okd okk okl oko oku ola olb old olk oll olo olu oo- ooa oob ood ook ool ooo ou- oua oud ouk oul ouo ua- uaa uab uad uak ual uao uau uba ubb ubk ubl ubo ubu uda udb udd udk udl udo udu uka ukb ukk ukl uku ula ulb uld ulk ull ulo ulu uoa uob uod uok uol uoo uua uuu