a-a a-b aaa aab aad aak aam aao aas aau ab- aba abb abd abk abm abo abs abu ad- ada adb add adk adm ado ads adu aka akb akd akk akm ako aks aku ama amb amd amk amm amo ams amu aoa aob aod aok aom aoo aos aou as- asa asb asd ask asm aso ass asu au- aua aub aud auk aum auo aus b-u baa bab bad bak bam bao bas bau bba bbb bbd bbk bbm bbo bbs bbu bda bdb bdd bdk bdm bdo bds bdu bka bkb bkk bkm bko bks bma bmb bmd bmk bmm bmo bms bmu boa bob bod bok bom boo bos bou bsa bsb bsd bsk bsm bso bss bsu bua bub bud buk bum buo bus buu daa dab dad dak dam dao das dau dba dbb dbd dbk dbm dbo dbs dbu dda ddb ddd ddk ddm ddo dds ddu dka dkb dkk dkm dko dks dku dma dmb dmd dmk dmm dmo dms dmu doa dob dod dok dom doo dos dou dsa dsb dsd dsk dsm dso dss dsu dua dub dud duk dum duo dus ka- kaa kab kad kak kam kao kas kau kba kbb kbd kbk kbm kbo kbs kbu kda kdb kdk kdm kdo kds kdu kkb kkk kkm kks kku kma kmb kmd kmk kmm kmo kms kmu koa kob kod kok kom koo kos kou ksa ksb ksd ksk ksm kso kss ksu kub kud kuk kum kus kuu m-o maa mab mad mak mam mao mas mau mba mbb mbd mbk mbm mbo mbs mbu mda mdb mdd mdk mdm mdo mds mdu mka mkb mkd mkk mkm mko mks mku mma mmb mmd mmk mmm mmo mms mmu moa mob mod mok mom moo mos mou msa msb msd msk msm mso mss msu mua mub mud muk mum mus muu oaa oab oad oak oam oao oas oau ob- oba obb obd obk obm obo obs obu oda odb odd odm odo ods odu oka okb okd okk oko oks oku om- oma omb omd omm omo oms omu oo- ooa oob ood ook oom ooo oos os- osa osb osd osk osm oso oss osu ou- oua oud ouk oum ouo ous saa sab sad sak sam sao sas sau sba sbb sbd sbk sbm sbo sbs sbu sda sdb sdd sdk sdm sdo sds sdu sk- ska skb skd skk skm sko sks sku sma smb smd smk smm smo sms smu soa sob sod sok som soo sos sou ss- ssa ssb ssd ssk ssm sso sss ssu sua sub sud suk sum suo sus suu ua- uaa uab uad uak uam uao uas uau uba ubb ubk ubo ubs ubu uda udb udd udk udm udo uds udu uka ukb ukk uku um- uma umb umd umm umo ums umu uoa uob uod uok uom uoo uos usa usb usd usk usm uso uss usu uua uum uus uuu