a-a a-i aaa aai aak aar aas ai- aia aii aik air ais aka aki akk akr aks ar- ara ari ark arr ars as- asa asi ask asr ass ia- iaa iai iar ias iia iii iir iis ika iki ikk ikr iks ir- ira iri irk irr irs is- isa isi isk isr iss ka- kaa kai kak kar kas kia kii kik kir kis kki kkk kkr kks kra kri krk krr krs ksa ksi ksk ksr kss ra- raa rai rak rar ras ria rii rik rir ris rkk rks rra rri rrk rrr rrs rsa rsi rsk rsr rss saa sai sak sar sas sia sii sik sir sis sk- ska ski skk skr sks sr- sra sri srk srr srs ss- ssa ssi ssk ssr sss