a-a a-b aaa aab aad aah aak aar aas aau ab- aba abb abd abh abk abr abs abu ad- ada adb add adh adk adr ads adu aha ahb ahd ahh ahk ahr ahs ahu aka akb akd akh akk akr aks aku ar- ara arb ard arh ark arr ars aru as- asa asb asd ash ask asr ass asu au- aua aub aud auh auk aur aus b-u baa bab bad bah bak bar bas bau bba bbb bbd bbh bbk bbr bbs bbu bda bdb bdd bdh bdk bdr bds bdu bha bhb bhd bhh bhk bhr bhs bhu bka bkb bkk bkr bks bra brb brd brh brk brr brs bru bsa bsb bsd bsh bsk bsr bss bsu bua bub bud buh buk bur bus buu daa dab dad dah dak dar das dau dba dbb dbd dbh dbk dbr dbs dbu dda ddb ddd ddh ddk ddr dds ddu dh- dha dhb dhd dhh dhk dhr dhs dhu dka dkb dkk dkr dks dku dra drb drd drk drr drs dru dsa dsb dsd dsh dsk dsr dss dsu dua dub dud duh duk dur dus haa hab had hah hak har has hau hba hbb hbd hbh hbk hbr hbs hbu hda hdb hdd hdh hdk hdr hds hdu hha hhb hhd hhh hhk hhr hhs hhu hka hkb hkd hkh hkk hkr hks hku hr- hra hrb hrd hrh hrk hrr hrs hru hsa hsb hsd hsh hsk hsr hss hsu hua hub hud huh huk hur hus huu ka- kaa kab kad kah kak kar kas kau kba kbb kbd kbh kbk kbr kbs kbu kda kdb kdh kdk kdr kds kdu kha khh khk khr khs khu kkb kkh kkk kkr kks kku kra krd krk krr krs kru ksa ksb ksd ksh ksk ksr kss ksu kub kud kuh kuk kur kus kuu ra- raa rab rad rah rak rar ras rau rba rbb rbd rbh rbk rbr rbs rbu rda rdb rdd rdh rdr rds rdu rh- rha rhb rhd rhh rhr rhs rhu rkb rkk rks rku rra rrb rrd rrh rrk rrr rrs rru rsa rsb rsd rsh rsk rsr rss rsu rua rub rud ruh ruk rur rus ruu saa sab sad sah sak sar sas sau sba sbb sbd sbh sbk sbr sbs sbu sda sdb sdd sdh sdk sdr sds sdu sh- sha shb shd shh shk shr shs shu sk- ska skb skd skh skk skr sks sku sr- sra srb srd srh srk srr srs ss- ssa ssb ssd ssh ssk ssr sss ssu sua sub sud suh suk sur sus suu ua- uaa uab uad uah uak uar uas uau uba ubb ubh ubk ubr ubs ubu uda udb udd udk udr uds udu uha uhb uhd uhh uhr uhs uhu uka ukb ukk ukr uku ur- ura urb urd urk urr urs uru usa usb usd ush usk usr uss usu uua uur uus uuu