kihk kiho kihr kihs kiic kiii kiik kiis kikc kikf kiki kikk kiko kikr kioc kioe kioh kioi kiok kioo kirc kirf kiri kirk kiro kirr kirs kisc kise kisf kish kisi kisk kiso kisr kiss kkch kkci kkck kkco kkcr kkcs kkfi kkfr kkfs kkhh kkhi kkhk kkhr kkic kkik kkkk kkoh kkoo kkor kkrc kkre kkrf kkrh kkrk kkro kkrr kkrs kkse kksf kksi kksr kkss kocf koch koci kock kocs koei koes kofc kofe koff kofh kofi kofk kofo kohh kohi koho kohr kohs koii koir kokc koke kokf kokh koki kokk koko kokr koks kooc kooi kook kooo koor koos korc kore korf kori kork koro korr kors kos- kosc kose kosf kosh kosi koso kosr koss krcc krce krch krci krco krcs krec kree kref kreh krei krek kreo kres krfc krfe krff krfo krfs krhc krhs krik krio kris krkc krke krkh krki krkk krko krkr krks kroc kroe krof kroh kroi krok kroo kror kros krrc krre krrf krri krrk krro krrr krrs krsc krse krsf krsh krsk krsr krss ksce ksch ksci ksck ksco kscr kscs ksec ksee kseh ksei ksek kseo kser ksfc ksfe ksfh ksfi ksfo ksfr kshe kshi kshk ksho kshr kshs ksif ksii ksik ksir ksis kske kskf kskk ksko kskr ksks ksoc ksof ksoi ksok ksoo ksor ksos ksrf ksrh ksro ksrr ksrs ksse kssi ksso kssr ksss o-eo occc occi oce ocee ocef oche ochi ochs ocis ocke ocks ocos ocre ocro ocrr ocrs oec- oecc oeec oere oers oese ofcr ofek ofer off- offc offe offh offo offr offs ofik ofor ofre ohcc ohee oher ohhi ohho ohhs ohif ohio ohis ohoh ohok ohos ohre ohso ohss oici oick oier oies oiii oike oiko oiks oios oire oisc oise okeh oker okes okic okie okir okko okok okor okre okro oksi okso oocr ooer ooes ooff oofs ooho oohs oooh oooo ooos oore oose oosi orce orch orci orco orcs ore- orec oreh orek oreo orer ores orfe orff orfi orfs orhe orhs ori- oric orie orif orio oris orke orko oro- oroe orof orok oror oros orri orro orrs orse orsi orsk orso oscc osce osci osco osec osee oseh osei osek oser oses oshc oshe oshi osho oshs osie osii osik osis oski osoi osoo osor osos osro osse ossi osso rccc rccs rcfc rchs rcic rcis rcos rcsc rcsi rcss recc rece rech reci reck recr recs reef reek rees refe reff refi refr refs rehe rehi rehs reif reii reik reir reis reke reki reko reks reof reos rere reri rero rers rese resh resi reso ress rfef rffc rfhs rfic rhce rhee rheo rhes rhfs rhhs rhio rhoc rhoh rhos ricc rice rich rick rico rics rief riek rier ries rife riff rifs riho rihs riif riis rike riki rikk rios rire riri rirs risc rise rish risi risk riso riss rkkf rkos rkss rocc roce roch rock roco rocs roer roes rofc rofe roff rofo rohe rohr rohs roif roik roio roir rois roke rokh roki rokk roko rokr roks roof rooi rook roor roos rorc rore rori rork roro rosc rose rosh rosi roso ross rrfc rrhs rrif rrrr rscc rsch rscs rsee rsfc rshs rsis rsos rsre s-ic s-ii s-os sccc scce sccs scec scee scer scfc scfe scfi sch- sche schh schi scho schr schs sci- scic scie scif scio scir scis sck- scoh scok scoo scor scr- scrc scre scri scrs scsc scsh scsi scso scsr se-c se-e se-f se-h se-i se-k se-o se-s sec- secc sece sech seck seco secr secs seec seef seeh seek seer sees seff sefi sehe sehk sehr sehs seie seif seih seii seik seir seis seke seki sekk seko seoc seoi seok serc sere serf seri serk sero serr sers sesc sese sesh sesi seso sess sfcc sfco sfcs sfer sffc sfhs sfio sfor sfos sfrc sfro sfss shcc she- shee shef sheh shek sheo sher shes shhh shhs shie shih shii shik shio shir shis shoe shof shok shoo shor shos shre shri shrs shsc sicc sice sich sici sick sico sics siec sief siek sier sies sife siff sifo sifr sihi sihk sihr sihs siik sike sikh siki siko sikr siks sioe sior sios sirc sire sirf siri sirk siro sirr sirs sisc sise sish sisi sisk siss skee skei skeo sker skes skfc skhs skic skie skif skik skio skir skis skoe skor skss soce soch soci sock soco socr socs soec soeo soes sofi sofo sohh soho sohs soic soie soif soik soir sois soke soki sokk soko soof sook soor soos sore sorh sori soro sorr sors sose sosh sosi soso soss srcc srch srec sreo sres srfc srfi srhs sris sros sscc ssce ssci sscs ssec ssee sses ssfc sshs ssis ssoc ssrc ssri ssrs sssc sssf sssh sssi ssss