a-a a-b a-i aaa aab aah aai aak aar aas ab- aba abb abh abi abk abr abs aha ahb ahh ahi ahk ahr ahs ai- aia aib aih aii aik air ais aka akb akh aki akk akr aks ar- ara arb arh ari ark arr ars as- asa asb ash asi ask asr ass baa bab bah bai bak bar bas bba bbb bbh bbi bbk bbr bbs bha bhb bhh bhi bhk bhr bhs bi- bia bib bih bii bik bir bis bka bkb bkk bkr bks bra brb brh bri brk brr brs bsa bsb bsh bsi bsk bsr bss h-i haa hab hah hai hak har has hba hbb hbh hbi hbk hbr hbs hha hhb hhh hhi hhk hhr hhs hia hib hih hii hik hir his hka hkb hkh hki hkk hkr hks hr- hra hrb hrh hri hrk hrr hrs hsa hsb hsh hsi hsk hsr hss ia- iaa iab iah iai iar ias iba ibb ibh ibi ibk ibr ibs iha ihb ihh ihi ihk ihr ihs iia iib iih iii iir iis ika ikb iki ikk ikr iks ir- ira irb iri irk irr irs is- isa isb ish isi isk isr iss ka- kaa kab kah kai kak kar kas kba kbb kbh kbi kbk kbr kbs kha khh khi khk khr khs kia kib kih kii kik kir kis kkb kkh kki kkk kkr kks kra kri krk krr krs ksa ksb ksh ksi ksk ksr kss ra- raa rab rah rai rak rar ras rba rbb rbh rbi rbk rbr rbs rh- rha rhb rhh rhi rhr rhs ria rib rih rii rik rir ris rkb rkk rks rra rrb rrh rri rrk rrr rrs rsa rsb rsh rsi rsk rsr rss saa sab sah sai sak sar sas sba sbb sbh sbi sbk sbr sbs sh- sha shb shh shi shk shr shs sia sib sih sii sik sir sis sk- ska skb skh ski skk skr sks sr- sra srb srh sri srk srr srs ss- ssa ssb ssh ssi ssk ssr sss