a-a a-b a-i aaa aab aad aai aak aao aau ab- aba abb abd abi abk abo abu ad- ada adb add adi adk ado adu ai- aia aib aid aii aik aio aiu aka akb akd aki akk ako aku aoa aob aod aoi aok aoo aou au- aua aub aud aui auk auo b-u baa bab bad bai bak bao bau bba bbb bbd bbi bbk bbo bbu bda bdb bdd bdi bdk bdo bdu bi- bia bib bid bii bik bio biu bka bkb bkk bko boa bob bod boi bok boo bou bua bub bud bui buk buo buu daa dab dad dai dak dao dau dba dbb dbd dbi dbk dbo dbu dda ddb ddd ddi ddk ddo ddu di- dia dib did dii dik dio diu dka dkb dki dkk dko dku doa dob dod doi dok doo dou dua dub dud dui duk duo i-d ia- iaa iab iad iai iao iau iba ibb ibd ibi ibk ibo ibu ida idb idd idi idk ido idu iia iib iid iii iio iiu ika ikb iki ikk iko iku io- ioa iob iod ioi ioo iou iu- iua iub iud iui ka- kaa kab kad kai kak kao kau kba kbb kbd kbi kbk kbo kbu kda kdb kdk kdo kdu kia kib kid kii kik kio kiu kkb kki kkk kku koa kob kod koi kok koo kou kub kud kui kuk kuu o-i oaa oab oad oai oak oao oau ob- oba obb obd obi obk obo obu oda odb odd odi odo odu oia oib oid oii oik oio oiu oka okb okd oki okk oko oku oo- ooa oob ood ooi ook ooo ou- oua oud oui ouk ouo ua- uaa uab uad uai uak uao uau uba ubb ubi ubk ubo ubu uda udb udd udi udk udo udu uia uib uid uii uio uiu uka ukb uki ukk uku uoa uob uod uok uoo uua uuu