a-a a-b aaa aab aad aae aak aam aao aau ab- aba abb abd abe abk abm abo abu ad- ada adb add ade adk adm ado adu aea aeb aed aee aek aem aeo aeu aka akb akd ake akk akm ako aku ama amb amd ame amk amm amo amu aoa aob aod aoe aok aom aoo aou au- aua aub aud aue auk aum auo b-u baa bab bad bae bak bam bao bau bba bbb bbd bbe bbk bbm bbo bbu bda bdb bdd bde bdk bdm bdo bdu be- bea beb bed bee bek bem beo beu bka bkb bke bkk bkm bko bma bmb bmd bme bmk bmm bmo bmu boa bob bod boe bok bom boo bou bua bub bud bue buk bum buo buu daa dab dad dae dak dam dao dau dba dbb dbd dbe dbk dbm dbo dbu dda ddb ddd dde ddk ddm ddo ddu de- dea deb ded dee dek dem deo deu dka dkb dke dkk dkm dko dku dma dmb dmd dme dmk dmm dmo dmu doa dob dod doe dok dom doo dou dua dub dud due duk dum duo eaa eab ead eae eak eam eao eau eba ebb ebd ebe ebk ebm ebo ebu ed- eda edb edd ede edk edm edo edu eea eeb eed eee eek eem eeo eka ekb ekd eke eko eku em- ema emb emd eme emk emm emo emu eo- eoa eob eod eoe eok eom eoo eou eu- eua eub eud eue ka- kaa kab kad kae kak kam kao kau kba kbb kbd kbe kbk kbm kbo kbu kda kdb kde kdk kdm kdo kdu ke- kea keb ked kee kek kem keo kkb kke kkk kkm kku kma kmb kmd kme kmk kmm kmo kmu koa kob kod koe kok kom koo kou kub kud kue kuk kum kuu m-o maa mab mad mae mak mam mao mau mba mbb mbd mbe mbk mbm mbo mbu mda mdb mdd mde mdk mdm mdo mdu mea meb med mee mek mem meo meu mka mkb mkd mke mkk mkm mko mku mma mmb mmd mme mmk mmm mmo mmu moa mob mod moe mok mom moo mou mua mub mud mue muk mum muu oaa oab oad oae oak oam oao oau ob- oba obb obd obe obk obm obo obu oda odb odd ode odm odo odu oea oeb oed oee oem oeo oka okb okd oke okk oko oku om- oma omb omd ome omm omo omu oo- ooa oob ood ook oom ooo ou- oua oud oue ouk oum ouo ua- uaa uab uad uae uak uam uao uau uba ubb ube ubk ubo ubu uda udb udd ude udk udm udo udu uea ueb ued uee uem uka ukb uke ukk uku um- uma umb umd ume umm umo umu uoa uob uod uoe uok uom uoo uua uue uum uuu