a-a a-b a-i aaa aab aad aah aai aak aar aas ab- aba abb abd abh abi abk abr abs ad- ada adb add adh adi adk adr ads aha ahb ahd ahh ahi ahk ahr ahs ai- aia aib aid aih aii aik air ais aka akb akd akh aki akk akr aks ar- ara arb ard arh ari ark arr ars as- asa asb asd ash asi ask asr ass baa bab bad bah bai bak bar bas bba bbb bbd bbh bbi bbk bbr bbs bda bdb bdd bdh bdi bdk bdr bds bha bhb bhd bhh bhi bhk bhr bhs bi- bia bib bid bih bii bik bir bis bka bkb bkk bkr bks bra brb brd brh bri brk brr brs bsa bsb bsd bsh bsi bsk bsr bss daa dab dad dah dai dak dar das dba dbb dbd dbh dbi dbk dbr dbs dda ddb ddd ddh ddi ddk ddr dds dh- dha dhb dhd dhh dhi dhk dhr dhs di- dia dib did dih dii dik dir dis dka dkb dki dkk dkr dks dra drb drd dri drk drr drs dsa dsb dsd dsh dsi dsk dsr dss h-i haa hab had hah hai hak har has hba hbb hbd hbh hbi hbk hbr hbs hda hdb hdd hdh hdi hdk hdr hds hha hhb hhd hhh hhi hhk hhr hhs hia hib hid hih hii hik hir his hka hkb hkd hkh hki hkk hkr hks hr- hra hrb hrd hrh hri hrk hrr hrs hsa hsb hsd hsh hsi hsk hsr hss i-d ia- iaa iab iad iah iai iar ias iba ibb ibd ibh ibi ibk ibr ibs ida idb idd idh idi idk idr ids iha ihb ihd ihh ihi ihk ihr ihs iia iib iid iih iii iir iis ika ikb iki ikk ikr iks ir- ira irb ird iri irk irr irs is- isa isb isd ish isi isk isr iss ka- kaa kab kad kah kai kak kar kas kba kbb kbd kbh kbi kbk kbr kbs kda kdb kdh kdk kdr kds kha khh khi khk khr khs kia kib kid kih kii kik kir kis kkb kkh kki kkk kkr kks kra krd kri krk krr krs ksa ksb ksd ksh ksi ksk ksr kss ra- raa rab rad rah rai rak rar ras rba rbb rbd rbh rbi rbk rbr rbs rda rdb rdd rdh rdi rdr rds rh- rha rhb rhd rhh rhi rhr rhs ria rib rid rih rii rik rir ris rkb rkk rks rra rrb rrd rrh rri rrk rrr rrs rsa rsb rsd rsh rsi rsk rsr rss saa sab sad sah sai sak sar sas sba sbb sbd sbh sbi sbk sbr sbs sda sdb sdd sdh sdi sdk sdr sds sh- sha shb shd shh shi shk shr shs sia sib sid sih sii sik sir sis sk- ska skb skd skh ski skk skr sks sr- sra srb srd srh sri srk srr srs ss- ssa ssb ssd ssh ssi ssk ssr sss