-ic c-- ccc ccf cch cci cck cco ccr ccs cfc cff cfh cfi cfk cfo cfr cfs ch- chc chf chh chi chk cho chr chs ci- cic cif cih cii cik cio cir cis ckc ckh cki cko cks co- coc cof coh coi cok coo cor cos crc crf crh cri crk cro crr crs csc csf csh csi csk cso csr css fcc fcf fci fck fco fcr fcs ffc fff ffh ffi ffk ffo ffr ffs fhc fhf fhh fhi fho fhr fhs fic fif fih fii fik fir fis fkc fkf fki fkk foc fof foh foi fok foo for fos frc frf frh fri frk fro frr frs fsc fsf fsh fsi fsk fso fsr fss h-i hcc hcf hch hci hck hco hcr hcs hfc hff hfh hfi hfk hfo hfr hfs hhc hhf hhh hhi hhk hho hhr hhs hic hif hih hii hik hio hir his hkf hkh hki hkk hko hkr hks hoc hof hoh hoi hok hoo hor hos hr- hrc hrf hrh hri hrk hro hrr hrs hsc hsf hsh hsi hsk hsr hss i-f icc icf ich ici ick ico icr ics ifc iff ifi ifo ifr ifs ihc ihf ihh ihi ihk iho ihr ihs iic iif iih iii iio iir iis ikc ikf iki ikk iko ikr iks io- ioc iof ioh ioi ioo ior ios ir- irc irf iri irk iro irr irs is- isc isf ish isi isk iso isr iss kcc kch kci kck kcr kcs kfc kff kfh kfi kfo kfs khf khh khi khk kho khr khs kic kif kih kii kik kio kir kis kkc kkh kki kkk kkr kks koc kof koh koi kok koo kor kos krc krf kri krk kro krr krs ksc ksf ksh ksi ksk kso ksr kss o-i oc- occ ocf och oci ock oco ocr ocs of- ofc off ofi ofo ofr ofs ohc ohf ohh ohi oho ohr ohs oic oif oii oik oio oir ois okc oki okk oko okr oks oo- ooc oof ooh ooi ook ooo oor oos or- orc orf orh ori ork oro orr ors os- osc osf osh osi osk oso osr oss rcc rcf rch rci rco rcr rcs rfc rff rfh rfi rfk rfo rfr rfs rh- rhc rhf rhh rhi rho rhr rhs ric rif rih rii rik rio rir ris rkc rkf rkk rko rks roc rof roh roi rok roo ror ros rrc rrf rrh rri rrk rrr rrs rsc rsf rsh rsi rsk rso rsr rss scc scf sch sci sck sco scr scs sfc sff sfh sfi sfk sfo sfr sfs sh- shc shf shh shi shk sho shr shs sic sif sih sii sik sio sir sis sk- skc skf skh ski skk sko skr sks soc sof soh soi sok soo sor sos sr- src srf srh sri srk sro srr srs ss- ssc ssf ssh ssi ssk sso ssr sss

cccc cccf ccci cccs ccfc ccff ccfi cchr cchs ccic ccii ccir ccis ccoc ccrc ccrf ccri ccrs ccsf ccsi ccss cfcf cfco cfcs cffr cfhk cfhs cfor cfos cfsi chch chci chcs chfc chfi chfr chfs chhs chic chif chih chik chir chis chks choc choh choi chok choo chor chos chrc chrf chro chrr chrs chsc chsh chsi chsr cicc cich cici cico cicr cics ciff cifs cihr cihs ciii ciis ciko cikr cior cios circ cirh ciri cirk ciro cirr cirs cis- cisc cish cisk cisr ciss ckch ckck ckco ckcs ckfi ckfr ckhs ckoc ckoi ckoo ckor ckos ckrc cksh ckso coch cock coco cofc coff cofi cofs coho cohs coif coir cois cok- coko coof cooh cook coos cor- corc corf cori cork coro corr cors cosc cosh cosi coso coss crcc crcr crfc crfs crhs cric crif crik cris crkc croc croh crok croo cror crss cscc cscf csch csci csco cscr cscs csfc csfr cshs csik csio csir csis csks csor csos csrc csrs cssr f--k fccf fcch fchs fcic fcii fcsc ffcc ffff ffhs ffii ffrr ffss fhci fhfs fhhs fhrs fhss ficc fich fick fico fics fifc fiff fifi fifo fiii fiki fior fios firk firs fisc fish fisi fisk fiss foch foci fock foco focs fofo fohr fohs fois foki foof fook foos for- fori fork foro forr fors fosh fosi foso foss frcc frfc frhs fric frik frio fris froh fros frsc frso fscc fsck fsfi fsfo fshs fssc fssf h-ii hccc hcch hccs hcfc hchi hchs hcis hcsc hcso hcss hfcs hfhs hfrs hfss hhhh hhhs hhof hi-c hicc hich hick hico hics hiff hifh hifi hifk hifo hifr hihc hihi hiho hiis hiki hioc hirf hiri hirk hiro hirs hish hiss hkcc hkcs hkir hkis hoch hock hocr hocs hoff hofs hoho hoif hoik hoir hois hoki hoko hoks hoof hook hoor hoos horc hori hork horo horr hors hosh hoss hrfc hrhs hros hrrc hrso hscc hsci hsfc hsfs hshs hski iccc iccf icci icco iccr iccs ichc ichi icho ichr ichs icis icks icoc icor icos icrc icrf icrr icrs icsc icsh icsi icsr icss ifco ific ifis ifor ifrf ifri ifsc ifso ihcc ihis ihrc ihss iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr ikki ikko ikoo ikri ioci iofc ioii ioio ioko ioof iooi iooo ioos iori iors ioso ircc ircs irhs iri- iric irio iris irki irks iroc iroh irrc irri irrs irsf iscc isch isci isco iscr iscs isfc ishi ishk ishr ishs isic isis iskf isko iso- isoc isof isok isor isos isri issc issf issh issi isso issr isss k-ci k-os kccc kcci kcck kccr kcfc kcfh kcfi kcfo kchf kchh kchi kchk kcho kchr kchs kcic kcif kcii kcir kcis kckc kckf kckk kcko kckr kcof kcoh kcor kcos kcrc kcrh kcri kcro kcrr kcrs kcsc kcsf kcsi kcsr kcss kfcf kfch kfco kfcr kfcs kfff kffk kfhc kfio kfir kfis kfok kfoo kfor kfrc kfrh kfri kfro kfrr