-ic c-- ccc ccf cci cck cco ccp ccr ccs cfc cff cfi cfk cfo cfp cfr cfs ci- cic cif cii cik cio cip cir cis ckc cki cko cks co- coc cof coi cok coo cop cor cos cpc cpf cpi cpk cpo cpp cpr cps crc crf cri crk cro crp crr crs csc csf csi csk cso csp csr css fcc fcf fci fck fco fcp fcr fcs ffc fff ffi ffk ffo ffp ffr ffs fic fif fii fik fip fir fis fkc fkf fki fkk fkp foc fof foi fok foo fop for fos fpc fpi fpk fpo fpp fpr fps frc frf fri frk fro frp frr frs fsc fsf fsi fsk fso fsp fsr fss i-f icc icf ici ick ico icp icr ics ifc iff ifi ifo ifp ifr ifs iic iif iii iio iip iir iis ikc ikf iki ikk iko ikr iks io- ioc iof ioi ioo iop ior ios ipc ipf ipi ipo ipp ipr ips ir- irc irf iri irk iro irp irr irs is- isc isf isi isk iso isp isr iss kcc kci kck kcp kcr kcs kfc kff kfi kfo kfs kic kif kii kik kio kip kir kis kkc kki kkk kkp kkr kks koc kof koi kok koo kop kor kos kpc kpf kpi kpk kpo kpp kpr kps krc krf kri krk kro krp krr krs ksc ksf ksi ksk kso ksp ksr kss o-i oc- occ ocf oci ock oco ocp ocr ocs of- ofc off ofi ofo ofp ofr ofs oic oif oii oik oio oip oir ois okc oki okk oko okp okr oks oo- ooc oof ooi ook ooo oop oor oos op- opc opf opi opk opo opp opr ops or- orc orf ori ork oro orp orr ors os- osc osf osi osk oso osp osr oss p-p pcc pcf pci pck pco pcp pcr pcs pfc pff pfi pfk pfo pfp pfr pfs pic pif pii pik pio pip pir pis pkc pkf pki pko pkp pkr pks poc pof poi pok poo pop por pos ppc ppf ppi ppk ppo ppp ppr pps prc prf pri prk pro prp prr prs ps- psc psf psi psk pso psp psr pss rcc rcf rci rco rcp rcr rcs rfc rff rfi rfk rfo rfp rfr rfs ric rif rii rik rio rip rir ris rkc rkf rkk rko rkp rks roc rof roi rok roo rop ror ros rpc rpf rpi rpk rpo rpp rpr rps rrc rrf rri rrk rrp rrr rrs rsc rsf rsi rsk rso rsp rsr rss scc scf sci sck sco scp scr scs sfc sff sfi sfk sfo sfp sfr sfs sic sif sii sik sio sip sir sis sk- skc skf ski skk sko skp skr sks soc sof soi sok soo sop sor sos spc spf spi spk spo spp spr sps sr- src srf sri srk sro srp srr srs ss- ssc ssf ssi ssk sso ssp ssr sss

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