iiii iiio iiis iiit iioi iioo iiop iios iirs iisi iisp iisr iist iitr iitt ikki ikko ikoo ikri ioii ioio ioit ioko iooi iooo ioos iops iori iors ioso ioto ipko ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts iri- irio irip iris irki irks irop irps irri irrs irsp irti irtp irts isis isit isko iso- isok isop isor isos ispr isps isri isrp issi isso issp issr isss isti isto istp istr ists itis itko itoi itoo itor itos itri itrs itsi itso itsp itto k-os kiii kiik kiip kiis kiit kiki kikk kiko kikr kikt kioi kiok kioo kiot kip- kipi kipo kipp kipr kips kipt kiri kirk kiro kirp kirr kirs kirt kisi kisk kiso kisr kiss kist kiti kito kitr kits kitt kkik kkit kkkk kkoo kkor kkot kkpk kkps kkpt kkrk kkro kkrr kkrs kkrt kksi kksp kksr kkss kkst kktk kkts koii koir koit koki kokk koko kokp kokr koks kooi kook kooo koop koor koos koot kopi kopp kopr kops kopt kori kork koro korr kors kort kos- kosi koso kosp kosr koss kost koti kotk koto kotr kots kott kpir kpit kpkk kpkr kpok kpoo kpop kppk kppo kppp kppr kpri kprk kpro kprp kprr kprs kprt kpsi kpso kpsp kpto kptr kpts kptt krik krio kris krit krki krkk krko krkr krks kroi krok kroo krop kror kros krpi krpr krps krpt krri krrk krro krrr krrs krrt krsk krsr krss krst krti krtk krto krtr krts ksii ksik ksip ksir ksis ksit kskk ksko kskr ksks ksoi ksok ksoo ksop ksor ksos kspi kspk kspo kspr ksps kspt ksro ksrp ksrr ksrs ksrt kssi ksso kssr ksss ksst ksti kstk ksto kstp kstr ksts kstt ktik ktip ktis ktkk ktko ktkr ktks ktkt ktok ktoo ktop ktor ktot ktpi ktpk ktpo ktpr ktpt ktri ktrk ktro ktrp ktrr ktrs ktrt ktso ktsr ktst ktti kttk ktto kttp kttr ktts kttt oiii oiko oiks oios oirt oist oiti okir okko okok okor okot okpo okro oksi okso okto oooo ooos oops oort oosi oost ootp oots opii opio opis opit opo- opor opos oppi oppo opps opsi opti opto opts ori- orio oris orit orko oro- orok oror oros orot orpi orps orri orro orrs orsi orsk orso orto orts osii osik osip osis oski osoi osoo osor osos osro ossi osso osti ostr osts otis otit oto- otok otoo otor otos otpp otro otrs otso otti otto otts piip piki pikk piko piks pikt piot pipi pipo pipp pips piri pirk piro pirr pirs pisi pisk piso piss pist piti pito pitr pits pitt pkts poik poio pois poko pook poop poor poos poot pop- popi popo popp pops popt pori pork poro porr pors port posi posk poso poss post poti poto pots pott ppos pppo pppp ppps ppss ppts pptt pri- prii pris pro- proo prop pros prot prps prri prrs prsi prso prss prti prtp prtr psip psis psoi psos pspi pspp pspr psps psrk psrp psso psst psts ptop pttk riis riki rikk rios riot ripi ripp ripr rips ript riri rirs risi risk riso risp riss rist riti rito rits ritt rkos rkss rkts roik roio roir rois roit roki rokk roko rokr roks rooi rook roop roor roos root ropo rops rori rork roro rort rosi roso rosp ross rost roti rotk roto rotr rots rott rpii rpos rpps rpts rrrr rrsp rsis rsos rspk rspo rsps rstp rsts rtps rtss rttp rtts s-ii s-os siik siit siki siko sikr siks siop sior sios siot sipi sipo sipp sips sipt siri sirk siro sirp sirr sirs sirt sisi sisk siss sist sit- siti sito sits sitt skik skio skip skir skis skit skop skor skot skpo skrt skss soik soir sois soit soki sokk soko sook soop soor soos soot sopi sopo sopp sops sori soro sorr sors sort sosi soso soss sost sotk soto sotp sots spik spio spip spir spis spit spkr spok spoo spop spor spos spot spps spri spro sprs spso spsp spss spst spto sptr spts sris sros srps srpt srsp srtp srtr ssis ssit ssop ssot sspo ssps sspt ssri ssrs sssi ssss sstp ssts stik stio stip stir stis stit stks stok stoo stop stor stos stot stpp stps stri strk stro strs stsi stss sttr tiit tiki tiko tiop tios tip- tipi tipo tipp tips tipt tiri tiro tirr tirs tisi tiso tiss tist titi tito titp tits titt tkip tkos tkts tois toit toki toko took toor toos toot top- topi topo topp tops topt tori tork toro torp torr tors tort tosi tosk toso toss tost toti toto totr tots tott tpir tpks tppp tppr tprs tptp tptr tri- trik trio trip tris trit troi troo trop tros trot trpp trps trsi trst trtr tsis tsks tsoi tsop tsos tspo tsps tspt tssi tssr tsst tsts ttop ttss tttt