iiii iiis iiit iirs iisi iisp iisr iist iisu iitr iitt ikki ikri iksu ippr ipri ipsi ipsp ipss ipts ipur ipus iput iri- irip iris irki irks irps irri irrs irsp irti irtp irts irus isis isit isku ispr isps isri isrp issi issp issr isss issu isti istp istr ists isup isus itis itri itrs itsi itsp itsu itup itur iuiu iupp iuss iust kiii kiik kiip kiis kiit kiiu kiki kikk kikr kikt kiku kip- kipi kipp kipr kips kipt kipu kiri kirk kirp kirr kirs kirt kiru kisi kisk kisr kiss kist kisu kiti kitr kits kitt kitu kiup kiur kiuu kkik kkit kkkk kkpk kkps kkpt kkrk kkrr kkrs kkrt kksi kksp kksr kkss kkst kksu kktk kkts kktu kkup kkus kkut kkuu kpir kpit kpkk kpkr kppk kppp kppr kpri kprk kprp kprr kprs kprt kpru kpsi kpsp kpsu kptr kpts kptt kpur kpus krik kris krit krki krkk krkr krks krku krpi krpr krps krpt krpu krri krrk krrr krrs krrt krsk krsr krss krst krsu krti krtk krtr krts krui kruk krup krur ksii ksik ksip ksir ksis ksit kskk kskr ksks ksku kspi kspk kspr ksps kspt ksrp ksrr ksrs ksrt kssi kssr ksss ksst kssu ksti kstk kstp kstr ksts kstt kstu ksui ksup ksut ksuu ktik ktip ktis ktkk ktkr ktks ktkt ktku ktpi ktpk ktpr ktpt ktri ktrk ktrp ktrr ktrs ktrt ktru ktsr ktst ktsu ktti kttk kttp kttr ktts kttt kttu ktui kuik kuki kukk kuks kuku kupr kups kupt kupu kuri kurk kurr kurs kurt kuru kusp kust kusu kuti kutp kutr kuts kutt kutu kuuk kuur kuuu piip piki pikk piks pikt piku pipi pipp pips piri pirk pirr pirs piru pisi pisk piss pist pisu piti pitr pits pitt pitu pius pkts pppp ppps ppru ppss ppts pptt ppur pri- prii pris prps prri prrs prsi prss prti prtp prtr prus prut pruu psip psis pspi pspp pspr psps psrk psrp psst psts pstu pttk ptui puir puis puit puiu puki puku pupi pups pupu pur- puri purp purr purs puru pusi pusk puss pust put- puti puts putt putu riis riki rikk riku ripi ripp ripr rips ript riri rirs risi risk risp riss rist risu riti rits ritt ritu rius rkss rkts rpii rpps rpts rrrr rrsp rsis rspk rsps rstp rsts rstu rtps rtss rttp rtts ruis ruit ruki rukk ruku rupp rupt ruri rurp rurs ruru rusi rusk russ rust rusu ruti ruts rutt rutu s-ii siik siit siki sikr siks siku sipi sipp sips sipt siri sirk sirp sirr sirs sirt siru sisi sisk siss sist sisu sit- siti sits sitt situ siui sius siut skik skip skir skis skit skiu skrt skss skui skup skur skut spik spip spir spis spit spkr spps spri sprs spsp spss spst sptr spts spui spur spus sput 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 stru stsi stss sttr stuk stup stur stus stut suir suis suit suki suks suku sup- supp supr sups supt sur- suri surp surr surs surt suru sus- susi susk susp suss sust susu suti sutu suus tiit tiiu tiki tiku tip- tipi tipp tips tipt tipu tiri tirr tirs tiru tisi tiss tist titi titp tits titt titu tkip tkts tpir tpks tppp tppr tprs tptp tptr tput tri- trik trip tris trit trpp trps trsi trst trtr truk trus trut truu tsis tsks tsps tspt tssi tssr tsst tsts tsui tsup ttss tttt tuik tuis tuit tuiu tuks tupi tups tupu turi turk turp turr turs turt turu tusi tusk tuss tust tuti tuts tutt tutu u-rp uipi uirr uist uits ukip ukps ukup ukur upis uppp uppu upri upsi upup urik uris uriu urri ursi urss ursu urts uruk urup urur urus urut us-k usip usis uspp usps ussr usss usst ussu usti ustp usts usui usus utik utis utri utti uttu uuri uusi uuuu