cccc cccf ccci cccp cccs ccfc ccff ccfi ccic ccii ccip ccir ccis ccoc ccpp ccpr ccps ccrc ccrf ccri ccrp ccrs ccsf ccsi ccsp ccss cfcf cfco cfcs cffr cfor cfos cfpo cfpr cfps cfrp cfsi cicc cici cico cicr cics ciff cifs ciii ciis ciko cikr cior cios cipf cipo cipp cips circ ciri cirk ciro cirr cirs cis- cisc cisk cisp cisr ciss ckck ckco ckcs ckfi ckfr ckoc ckoi ckoo ckor ckos ckpc ckpr ckrc ckso cock coco cocp cofc coff cofi cofs coif coip coir cois cok- coko coof cook coop coos copi copo copp copr cops cor- corc corf cori cork coro corp corr cors cosc cosi coso cosp coss cpcs cpff cpic cpif cpio cpos cpps cpri cprs cpsc cpsk cpso cpsr crcc crcr crfc crfs cric crif crik crip cris crkc crkp croc crok croo crop cror crpc crps crsp crss cscc cscf csci csco cscr cscs csfc csfr csik csio csir csis csks csor csos cspc cspi csps csrc csrs cssr f--k fccf fccp fcic fcii fcps fcsc ffcc ffff ffii ffps ffrr ffss ficc fick fico fics fifc fiff fifi fifo fiii fiki fior fios fipp fips firk firs fisc fisi fisk fiss foci fock foco focs fofo fois foki foof fook foos fopp fops for- fori fork foro forr fors fosi foso foss fp-c fpcc fprf frcc frcp frfc fric frik frio frip fris frop fros frps frsc frso fscc fsck fsfi fsfo fspc fspf fssc fssf fssp iccc iccf icci icco iccp iccr iccs icis icks icoc icor icos icpc icpo icps icrc icrf icrr icrs icsc icsi icsp icsr icss ifco ifcp ific ifis ifor ifpo ifps ifrf ifri ifsc ifso ifsp iiii iiio iiis iioi iioo iiop iios iipf iirc iirs iisc iisi iisp iisr ikki ikko ikoo ikri ioci iocp iofc ioii ioio ioko ioof iooi iooo ioos iops iori iors ioso ipcc ipcs ipfc ipkf ipko ipop ipos ippc ippf ippo ippr ipri ipsc ipsi ipso ipsp ipss ircc ircs iri- iric irio irip iris irki irks iroc irop irpc irps irrc irri irrs irsf irsp iscc isci isco iscp iscr iscs isfc isfp isic isis iskf isko iso- isoc isof isok isop isor isos ispc ispf ispr isps isri isrp issc issf issi isso issp issr isss k-ci k-os kccc kcci kcck kccr kcfc kcfi kcfo kcfp kcic kcif kcii kcir kcis kckc kckf kckk kcko kckr kcof kcor kcos kcpc kcpi kcpo kcpr kcps kcrc kcri kcro kcrp kcrr kcrs kcsc kcsf kcsi kcsp kcsr kcss kfcf kfco kfcr kfcs kfff kffk kfio kfir kfis kfok kfoo kfor kfpr kfrc kfri kfro kfrp kfrr kfrs kfsi kfsk kfsp kfsr kicc kick kicp kicr kics kiff kifr kifs kiic kiii kiik kiip kiis kikc kikf kiki kikk kiko kikr kioc kioi kiok kioo kip- kipi kipo kipp kipr kips kirc kirf kiri kirk kiro kirp kirr kirs kisc kisf kisi kisk kiso kisr kiss kkci kkck kkco kkcr kkcs kkfi kkfr kkfs kkic kkik kkkk kkoo kkor kkpc kkpk kkps kkrc kkrf kkrk kkro kkrr kkrs kksf kksi kksp kksr kkss kocf koci kock kocp kocs kofc koff kofi kofk kofo kofp koii koir kokc kokf koki kokk koko kokp kokr koks kooc kooi kook kooo koop koor koos kopf kopi kopp kopr kops korc korf kori kork koro korr kors kos- kosc kosf kosi koso kosp kosr koss kpcc kpcr kpcs kpfc kpfk kpfr kpif kpir kpkk kpkr kpoc kpof kpok kpoo kpop kppc kppk kppo kppp kppr kprc kprf kpri kprk kpro kprp kprr kprs kpsc kpsf kpsi kpso kpsp krcc krci krco krcs krfc krff krfo krfp krfs krik krio kris krkc krki krkk krko krkr krks kroc krof kroi krok kroo krop kror kros krpi krpr krps krrc krrf krri krrk krro krrr krrs krsc krsf krsk krsr krss ksci ksck ksco kscr kscs ksfc ksfi ksfo ksfr ksif ksii ksik ksip ksir ksis kskf kskk ksko kskr ksks ksoc ksof ksoi ksok ksoo ksop ksor ksos kspc kspi kspk kspo kspr ksps ksrf ksro ksrp ksrr ksrs kssi ksso kssr ksss occc occi ocfp ocis ocks ocos ocpp ocro ocrr ocrs ofcr off- offc offo offr offs ofik ofor oici oick oiii oiko oiks oios oipc oisc okic okir okko okok okor okpo okro oksi okso oocr ooff oofs oooo ooos oops oosi opic opii opio opis opo- opor opos oppi oppo opps opsi orci orco orcs orff orfi orfs ori- oric orif orio oris orko oro- orof orok oror oros orpc orpi orps orri orro orrs orsi orsk orso oscc osci osco osii osik osip osis oski osoi osoo osor osos osro ossi osso pccc pccs pcfc pcip pcks pcos pcpp pcps pcrc pcrf pcso pfcs pfff pffr pfic pfis pfkp pfps picc pici pick pico picr pics piff pifs piip piki pikk piko piks pipi pipo pipp pips pirc piri pirk piro pirr pirs pisi pisk piso piss pkcs pock poco pocs poff pofi poik poio pois poko poof pook poop poor poos pop- popc popi popo popp pops porc pori pork poro porr pors posi posk poso poss ppcc ppci ppcs ppic ppif ppos pppo pppp ppps pprc pprf ppsf ppss prcc prcf prcp prcs prfc prfs pri- prif prii pris pro- proc prof proo prop pros prps prri prrs prsc prsi prso prss psci psco psfk psfs psip psis psoc psoi psos pspi pspp pspr psps psrk psrp pssc psso rccc rccs rcfc rcic rcis rcos rcpi rcpo rcps rcsc rcsi rcss rffc rfic ricc rick rico rics riff rifs riif riis riki rikk rios ripi ripp ripr rips riri rirs risc risi risk riso risp riss rkkf rkos rkss rocc rock roco rocs rofc roff rofo roif roik roio roir rois roki rokk roko rokr roks roof rooi rook roop roor roos ropo rops rorc rori rork roro rosc rosi roso rosp ross rpcs rpfc rpii rpof rpos rpps rrfc rrif rrrr rrsp rscc rscs rsfc rsis rsos rspk rspo rsps s-ic s-ii