iiii iiis iirs iisi iisp iisr ikki ikri ippr ipri ipsi ipsp ipss iri- irip iris irki irks irps irri irrs irsp isis ispr isps isri isrp issi issp issr isss kiii kiik kiip kiis kiki kikk kikr kip- kipi kipp kipr kips kiri kirk kirp kirr kirs kisi kisk kisr kiss kkik kkkk kkpk kkps kkrk kkrr kkrs kksi kksp kksr kkss kpir kpkk kpkr kppk kppp kppr kpri kprk kprp kprr kprs kpsi kpsp krik kris krki krkk krkr krks krpi krpr krps krri krrk krrr krrs krsk krsr krss ksii ksik ksip ksir ksis kskk kskr ksks kspi kspk kspr ksps ksrp ksrr ksrs kssi kssr ksss piip piki pikk piks pipi pipp pips piri pirk pirr pirs pisi pisk piss pppp ppps ppss pri- prii pris prps prri prrs prsi prss psip psis pspi pspp pspr psps psrk psrp riis riki rikk ripi ripp ripr rips riri rirs risi risk risp riss rkss rpii rpps rrrr rrsp rsis rspk rsps s-ii siik siki sikr siks sipi sipp sips siri sirk sirp sirr sirs sisi sisk siss skik skip skir skis skss spik spip spir spis spkr spps spri sprs spsp spss sris srps srsp ssis ssps ssri ssrs sssi ssss