iiii iiis iiit iirs iisi iisp iisr iist iitr iitt ikki ikri ippr ipri ipsi ipsp ipss ipts iri- irip iris irki irks irps irri irrs irsp irti irtp irts isis isit ispr isps isri isrp issi issp issr isss isti istp istr ists itis itri itrs itsi itsp kiii kiik kiip kiis kiit kiki kikk kikr kikt kip- kipi kipp kipr kips kipt kiri kirk kirp kirr kirs kirt kisi kisk kisr kiss kist kiti kitr kits kitt kkik kkit kkkk kkpk kkps kkpt kkrk kkrr kkrs kkrt kksi kksp kksr kkss kkst kktk kkts kpir kpit kpkk kpkr kppk kppp kppr kpri kprk kprp kprr kprs kprt kpsi kpsp kptr kpts kptt krik kris krit krki krkk krkr krks krpi krpr krps krpt krri krrk krrr krrs krrt krsk krsr krss krst krti krtk krtr krts ksii ksik ksip ksir ksis ksit kskk kskr ksks kspi kspk kspr ksps kspt ksrp ksrr ksrs ksrt kssi kssr ksss ksst ksti kstk kstp kstr ksts kstt ktik ktip ktis ktkk ktkr ktks ktkt ktpi ktpk ktpr ktpt ktri ktrk ktrp ktrr ktrs ktrt ktsr ktst ktti kttk kttp kttr ktts kttt piip piki pikk piks pikt pipi pipp pips piri pirk pirr pirs pisi pisk piss pist piti pitr pits pitt pkts pppp ppps ppss ppts pptt pri- prii pris prps prri prrs prsi prss prti prtp prtr psip psis pspi pspp pspr psps psrk psrp psst psts pttk riis riki rikk ripi ripp ripr rips ript riri rirs risi risk risp riss rist riti rits ritt rkss rkts rpii rpps rpts rrrr rrsp rsis rspk rsps rstp rsts rtps rtss rttp rtts s-ii siik siit siki sikr siks sipi sipp sips sipt siri sirk sirp sirr sirs sirt sisi sisk siss sist sit- siti sits sitt skik skip skir skis skit skrt skss spik spip spir spis spit spkr spps spri sprs spsp spss spst sptr spts sris srps srpt srsp srtp srtr ssis ssit ssps sspt ssri ssrs sssi ssss sstp ssts stik stip stir stis stit stks stpp stps stri strk strs stsi stss sttr tiit tiki tip- tipi tipp tips tipt tiri tirr tirs tisi tiss tist titi titp tits titt tkip tkts tpir tpks tppp tppr tprs tptp tptr tri- trik trip tris trit trpp trps trsi trst trtr tsis tsks tsps tspt tssi tssr tsst tsts ttss tttt