iiii iiis iiit iisi iisj iist iitt ijji ikki isis isit issi isss isti istj ists itis itsi jiji jijk jist jiti jits jsss kiii kiik kiis kiit kiji kijt kiki kikk kikt kisi kisk kiss kist kiti kits kitt kjik kjjj kjjk kjjs kjjt kjkj kjkk kjks kjkt kjsk kjst kjts kjtt kkik kkit kkjk kkkj kkkk kksi kksj kkss kkst kktk kkts ksii ksik ksis ksit ksji ksjj ksjk ksjs ksjt kskk ksks kssi ksss ksst ksti kstj kstk ksts kstt ktij ktik ktis ktjj ktjs ktkk ktks ktkt ktsj ktst ktti kttk ktts kttt s-ii siik siit sijk sijt siki siks sisi sisk siss sist sit- siti sits sitt sjis skik skis skit skss ssis ssit sssi ssss ssts stik stis stit stks stsi stss tiit tiji tijs tiki tisi tiss tist titi tits titt tjsj tkts tsis tsks tssi tsst tsts ttss tttt