-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