-ol c-- ccc ccf cch cck ccl cco ccr ccs cfc cff cfh cfk cfl cfo cfr cfs ch- chc chf chh chk chl cho chr chs ckc ckh cko cks cl- clc clf clh clk cll clo clr cls co- coc cof coh cok col coo cor cos crc crf crh crk crl cro crr crs csc csf csh csk csl cso csr css fcc fcf fck fcl fco fcr fcs ffc fff ffh ffk ffl ffo ffr ffs fhc fhf fhh fhl fho fhr fhs fkc fkf fkk fkl flc flf fll flo flr fls foc fof foh fok fol foo for fos frc frf frh frk frl fro frr frs fsc fsf fsh fsk fsl fso fsr fss hcc hcf hch hck hcl hco hcr hcs hfc hff hfh hfk hfl hfo hfr hfs hhc hhf hhh hhk hhl hho hhr hhs hkf hkh hkk hkl hko hkr hks hlc hlf hlh hll hlo hlr hls hoc hof hoh hok hol hoo hor hos hr- hrc hrf hrh hrk hrl hro hrr hrs hsc hsf hsh hsk hsl hsr hss kcc kch kck kcl kcr kcs kfc kff kfh kfo kfs khf khh khk kho khr khs kkc kkh kkk kkl kkr kks kl- klc klf klh klo klr kls koc kof koh kok kol koo kor kos krc krf krk krl kro krr krs ksc ksf ksh ksk ksl kso ksr kss lcc lcf lch lck lcl lco lcr lcs lfc lff lfh lfk lfl lfo lfr lfs lhc lhf lhh lhk lho lhr lhs lkh lkl lkr lks llc llf llk lll llo llr lls loc lof loh lok lol loo lor los lrc lrf lrh lrk lro lrr lrs lsc lsf lsh lsk lsl lso lsr lss oc- occ ocf och ock ocl oco ocr ocs of- ofc off ofl ofo ofr ofs ohc ohf ohh ohl oho ohr ohs okc okk okl oko okr oks olc olf olk oll olo ols oo- ooc oof ooh ook ool ooo oor oos or- orc orf orh ork orl oro orr ors os- osc osf osh osk osl oso osr oss rcc rcf rch rcl rco rcr rcs rfc rff rfh rfk rfl rfo rfr rfs rh- rhc rhf rhh rhl rho rhr rhs rkc rkf rkk rko rks rlc rlf rlh rll rlo rlr rls roc rof roh rok rol roo ror ros rrc rrf rrh rrk rrl rrr rrs rsc rsf rsh rsk rsl rso rsr rss scc scf sch sck scl sco scr scs sfc sff sfh sfk sfl sfo sfr sfs sh- shc shf shh shk shl sho shr shs sk- skc skf skh skk skl sko skr sks slc slf slh slk sll slo slr sls soc sof soh sok sol soo sor sos sr- src srf srh srk srl sro srr srs ss- ssc ssf ssh ssk ssl sso ssr sss

cccc cccf cccl cccs ccfc ccff ccfl cchl cchr cchs cclc ccls ccoc ccrc ccrf ccrl ccrs ccsf ccsl ccss cfcf cfcl cfco cfcs cffr cfhk cfhs cfls cfor cfos cfsl chch chcs chfc chfr chfs chhs chks chlc chlr choc choh chok chol choo chor chos chrc chrf chro chrr chrs chsc chsh chsr ckch ckck ckcl ckco ckcs ckfr ckhs cklf ckoc ckoo ckor ckos ckrc cksh cksl ckso clhs clof clok cloo clor clos clro clrs clsc coch cock coco cofc coff cofs coho cohs cok- coko col- colk coll colo cols coof cooh cook cool coos cor- corc corf cork corl coro corr cors cosc cosh cosl coso coss crcc crcr crfc crfl crfs crhs crkc crkl crlf crls croc croh crok crol croo cror crss cscc cscf csch cscl csco cscr cscs csfc csfr cshl cshs csks cslr csor csos csrc csrs cssr f--k fccf fcch fchs fcsc fcsl ffcc ffff ffhs ffrr ffss fhfs fhhs fhrs fhss flcl flhs floc flok floo flor flos foch fock foco focs fofo fohr fohs folc folk foll folo folr fols foof fook fool foos for- fork forl foro forr fors fosh foso foss frcc frfc frhs froh frol fros frsc frso fscc fsck fsfo fshs fssc fssf hccc hcch hccs hcfc hchs hcsc hcso hcss hfcs hfhs hfrs hfss hhcl hhhh hhhs hhof hkcc hkcl hkcs hlhs hlss hoch hock hocr hocs hoff hofs hohl hoho hoko hoks hol- holc holh holk holl holo hols hoof hook hool hoor hoos horc hork horl horo horr hors hosh hoss hrfc hrhs hros hrrc hrso hscc hsfc hsfs hshs hsls k-lo k-os kccc kcck kccl kccr kcfc kcfh kcfl kcfo kchf kchh kchk kchl kcho kchr kchs kckc kckf kckk kckl kcko kckr kclc kclf kclh kclk kcll kclr kcls kcof kcoh kcol kcor kcos kcrc kcrh kcro kcrr kcrs kcsc kcsf kcsr kcss kfcf kfch kfco kfcr kfcs kfff kffk kfhc kfhl kflc kflf kfll kflo kfls kfok kfoo kfor kfrc kfrh kfro kfrr kfrs kfsh kfsk kfsr khcc khcf khch khck khcs khfr khhk khhl khho khhs khkk khkr khks khlc khll khlo khlr khls khoc khok khol khor khrk khro khrr khsl khss kkch kkck kkcl kkco kkcr kkcs kkfr kkfs kkhh kkhk kkhr kkkk kklc kklf kklh kkll kklo kkls kkoh kkol kkoo kkor kkrc kkrf kkrh kkrk kkrl kkro kkrr kkrs kksf kksr kkss klcc klch klck klcl klcr klcs klfc klff klfh klhc klkc klkk klkl klko klkr klks kllc kllk klls kloc kloh klok klol kloo klor klos klrc klrf klrk klrr klrs klsc klsf klsr kocf koch kock kocs kofc koff kofh kofk kofo kohh kohl koho kohr kohs kokc kokf kokh kokk koko kokr koks kolc kolf kolk koll kolo kolr kols kooc kook kool kooo koor koos korc korf kork korl koro korr kors kos- kosc kosf kosh koso kosr koss krcc krch krcl krco krcs krfc krff krfo krfs krhc krhs krkc krkh krkk krko krkr krks krlc krlf kroc krof kroh krok krol kroo kror kros krrc krrf krrk krrl krro krrr krrs krsc krsf krsh