iii iip iir iis iki ikk ikr iks ipi ipp ipr ips ir- iri irk irp irr irs is- isi isk isp isr iss kii kik kip kir kis kki kkk kkp kkr kks kpi kpk kpp kpr kps kri krk krp krr krs ksi ksk ksp ksr kss p-p pii pik pip pir pis pki pkp pkr pks ppi ppk ppp ppr pps pri prk prp prr prs ps- psi psk psp psr pss rii rik rip rir ris rkk rkp rks rpi rpk rpp rpr rps rri rrk rrp rrr rrs rsi rsk rsp rsr rss sii sik sip sir sis sk- ski skk skp skr sks spi spk spp spr sps sr- sri srk srp srr srs ss- ssi ssk ssp ssr sss