k-os kkkk kkoo kkot kkoy kkpk kkps kkpt kksp kkss kkst kktk kkts kkty kkys kkyy kokk koko kokp koks koky kook kooo koop koos koot kopp kops kopt kopy kos- koso kosp koss kost kosy kotk koto kots kott koty koyo koyt koyy kpkk kpky kpok kpoo kpop kpoy kppk kppo kppp kpso kpsp kpto kpts kptt kpty kpyk kskk ksko ksks ksky ksok ksoo ksop ksos kspk kspo ksps kspt ksso ksss ksst kstk ksto kstp ksts kstt ksty ksyy ktkk ktko ktks ktkt ktok ktoo ktop ktot ktoy ktpk ktpo ktpt ktso ktst ktsy kttk ktto kttp ktts kttt ktty kykk kyks kyky kyok kyoo kyos kyot kyoy kyp- kyps kysk kysp kyst kyto kyts kytt kyty kyyk kyyo kyys kyyt kyyy okko okok okot okpo okso okto okyo ooky oooo ooos oops oost ootp oots ooty opo- opos oppo opps oppy opsy opto opts osoo osos osso ossy osts osyp osyt oto- otok otoo otos otoy otpp otso otto otts oyss oyst pkts poko poky pook poop poos poot pop- popo popp pops popt popy posk poso poss post posy poto pots pott poty poyo poys ppos pppo pppp ppps ppss ppts pptt psos pspp psps psso psst psts psy- psys ptop pttk pykk pyo- pyos pyot pypy pysk pyss pyst pytt s-os skop skot skpo skss sky- skys skyy sokk soko sook soop soos soot sooy sopo sopp sops sopy soso soss sost sotk soto sotp sots soyo soys soyt spok spoo spop spos spot spoy spps spso spsp spss spst spto spts spy- spys ssop ssot sspo ssps sspt ssss sstp ssts stks stok stoo stop stos stot stoy stpp stps stss styk stys sypo syso syss syst sytt syyk tkos tkts to-y toko toky took toos toot top- topo topp tops topt tosk toso toss tost tosy toto tots tott toty toyo toys toyt tpks tppp tptp tpyo tsks tsop tsos tsoy tspo tsps tspt tsst tsts tsys ttop ttoy ttss tttt ttys typ- typo typp typy tyss tyst tyto tytt tyty ykko ykyt yoko yoks yoky yook yoop yoot yopo yopy yoso yost yott yoyo ysop ytky yyyy