issc isse issi isso issr isss istc iste isti isto istr ists itcs itec itek iter ites itet itic itie itis itko itoi itoo itor itos itri itrs itse itsi itso itto k-ci k-os kccc kcci kcck kccr kcct kcec kcee kcei kceo kcet kcic kcie kcii kcir kcis kcit kckc kckk kcko kckr kcoe kcor kcos kcot kcrc kcri kcro kcrr kcrs kcrt kcsc kcse kcsi kcsr kcss kcst kctc kcte kcti kcto keck keco kecr keek keer kees keet keii keik keio keir keis kekc keke keki keko keks keok keos ker- kerc kere keri kerk kero kerr kers kert kesc kesi kesk keso kesr kess kest ket- ketc kete keti ketk keto ketr kets kett kicc kice kick kicr kics kict kier kies kiic kiii kiik kiis kiit kikc kiki kikk kiko kikr kikt kioc kioe kioi kiok kioo kiot kirc kiri kirk kiro kirr kirs kirt kisc kise kisi kisk kiso kisr kiss kist kitc kite kiti kito kitr kits kitt kkci kkck kkco kkcr kkcs kkct kkic kkik kkit kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrs kkrt kkse kksi kksr kkss kkst kktc kktk kkts koci kock kocs koct koei koes koii koir koit kokc koke koki kokk koko kokr koks kooc kooi kook kooo koor koos koot korc kore kori kork koro korr kors kort kos- kosc kose kosi koso kosr koss kost kotc kote koti kotk koto kotr kots kott krcc krce krci krco krcs krec kree krei krek kreo kres kret krik krio kris krit krkc krke krki krkk krko krkr krks kroc kroe kroi krok kroo kror kros krrc krre krri krrk krro krrr krrs krrt krsc krse krsk krsr krss krst krtc krti krtk krto krtr krts ksce ksci ksck ksco kscr kscs ksec ksee ksei ksek kseo kser kset ksii ksik ksir ksis ksit kske kskk ksko kskr ksks ksoc ksoi ksok ksoo ksor ksos ksro ksrr ksrs ksrt ksse kssi ksso kssr ksss ksst kstc kste ksti kstk ksto kstr ksts kstt ktcc ktce ktck ktco ktcr ktcs ktec ktee ktek ktic ktie ktik ktis ktkc ktke ktkk ktko ktkr ktks ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktri ktrk ktro ktrr ktrs ktrt ktsc ktso ktsr ktst kttc ktti kttk ktto kttr ktts kttt o-eo occc occi occt oce ocee ocet ocis ocke ocks ocos ocre ocro ocrr ocrs oct- octe octi octo octs oec- oecc oeec oere oers oese oest oeti oici oick oier oies oiii oike oiko oiks oios oire oirt oisc oise oist oitc oiti oker okes oket okic okie okir okko okok okor okot okre okro oksi okso okto oocr ooer ooes oooo ooos oore oort oose oosi oost oots orce orci orco orcs ore- orec orek oreo orer ores ori- oric orie orio oris orit orke orko oro- oroe orok oror oros orot orri orro orrs orse orsi orsk orso ortc orte orto orts oscc osce osci osco osec osee osei osek oser oses oset osie osii osik osis oski osoi osoo osor osos osro osse ossi osso ostc oste osti ostr osts otee oter otes otic otis otit oto- otoe otok otoo otor otos otre otro otrs otse otso otte otti otto otts rccc rccs rcet rcic rcis rcos rcsc rcsi rcss rctc rcti rcts recc rece reci reck recr recs rect reek rees reet reii reik reir reis reit reke reki reko reks rekt reos reot rere reri rero rers rert rese resi reso ress rest rete reti reto retr rets rett ricc rice rick rico rics rict riek rier ries riet riis rike riki rikk rios riot rire riri rirs risc rise risi risk riso riss rist rite riti rito rits ritt rkos rkss rkts rocc roce rock roco rocs roer roes roet roik roio roir rois roit roke roki rokk roko rokr roks rooi rook roor roos root rorc rore rori rork roro rort rosc rose rosi roso ross rost rotc rote roti rotk roto rotr rots rott rrrr rscc rscs rsee rsis rsos rsre rsts rtcc rtce rtee rtei rtes rtss rtts s-ic s-ii s-os sccc scce sccs scct scec scee scer scet sci- scic scie scio scir scis scit sck- scok scoo scor scot scr- scrc scre scri scrs scsc scsi scso scsr scst sctc scto sctr scts se-c se-e se-i se-k se-o se-s se-t sec- secc sece seck seco secr secs sect seec seek seer sees seet seie seii seik seir seis seit seke seki sekk seko sekt seoc seoi seok serc sere seri serk sero serr sers sert sesc sese sesi seso sess sest set- setc sete seti seto sets sett sicc sice sici sick sico sics siec siek sier sies siik siit sike siki siko sikr siks sioe sior sios siot sirc sire siri sirk siro sirr sirs sirt sisc sise sisi sisk siss sist sit- sitc site siti sito sits sitt skee skei skeo sker skes sket skic skie skik skio skir skis skit skoe skor skot skrt skss soce soci sock soco socr socs soec soeo soes soic soie soik soir sois soit soke soki sokk soko sook soor soos soot sore sori soro sorr sors sort sose sosi soso soss sost sotc sote sotk soto sots srcc srct srec sreo sres sris sros srtr sscc ssce ssci sscs ssec ssee sses sset ssis ssit ssoc ssot ssrc ssri ssrs sssc sssi ssss sstc ssts stcc stcs stec stee stek steo ster stes stet stic stie stik stio stir stis stit stks stoe stok stoo stor stos stot strc stre stri strk stro strs stsi stss sttc sttr tccc tcos tctc tcts teck teco tecr tecs tect teec teek teer tees teet teic teie teir teis teke teok teor teos ter- terc tere teri terk tero terr ters tesc tese teso tess test tete teti teto tetr tets tett ticc tice tick tico tics tie- tiee tiei tieo tier ties tiet tiit tike tiki tiko tios tire tiri tiro tirr tirs tise tisi tiso tiss tist