iiii iiis iiit iisi iisj iisp iist iitt ijji ipsi ipsp ipss ipts isis isit isps issi issp isss isti istj istp ists itis itsi itsp jiji jist jiti jits jpip jpts jssp jsss jtip piip pipi pipp pips pisi piss pist piti pits pitt pppp ppps ppss ppts pptt psip psis pspi pspp psps psst psts s-ii siit sijt sipi sipp sips sipt sisi siss sist sit- siti sits sitt sjis spip spis spit spps spsp spss spst spts ssis ssit ssps sspt sssi ssss sstp ssts stip stis stit stpp stps stsi stss tiit tiji tijs tip- tipi tipp tips tipt tisi tiss tist titi titp tits titt tjsj tppp tptp tsis tsps tspt tssi tsst tsts ttss tttt