-ol c-- ccc ccd ccf ccl cco ccp ccr cdc cdd cdf cdl cdo cdp cdr cfc cfd cff cfl cfo cfp cfr cl- clc cld clf cll clo clp clr co- coc cod cof col coo cop cor cpc cpd cpf cpl cpo cpp cpr crc crd crf crl cro crp crr dcc dcd dcf dcl dco dcp dcr ddc ddd ddf ddl ddo ddp ddr dfc dfd dff dfl dfo dfp dfr dl- dlc dld dlf dll dlo dlp dlr doc dod dof dol doo dop dor dpc dpd dpf dpl dpo dpp dpr drc drd drl dro drp drr fcc fcd fcf fcl fco fcp fcr fdc fdd fdf fdl fdo fdp fdr ffc ffd fff ffl ffo ffp ffr flc fld flf fll flo flp flr foc fof fol foo fop for fpc fpd fpl fpo fpp fpr frc frd frf frl fro frp frr l-p lcc lcd lcf lcl lco lcp lcr ldc ldd ldf ldl ldo ldp ldr lfc lfd lff lfl lfo lfp lfr llc lld llf lll llo llp llr loc lod lof lol loo lop lor lpc lpd lpf lpl lpo lpp lpr lrc lrd lrf lro lrp lrr oc- occ ocd ocf ocl oco ocp ocr odc odd odf odl odo odp odr of- ofc ofd off ofl ofo ofp ofr olc old olf oll olo olp oo- ooc ood oof ool ooo oop oor op- opc opd opf opl opo opp opr or- orc ord orf orl oro orp orr p-p pcc pcd pcf pcl pco pcp pcr pdc pdd pdf pdl pdo pdp pdr pfc pfd pff pfl pfo pfp pfr plc pld plf pll plo plp plr poc pod pof pol poo pop por ppc ppd ppf ppl ppo ppp ppr prc prd prf prl pro prp prr rcc rcd rcf rcl rco rcp rcr rdc rdd rdf rdl rdo rdp rdr rfc rfd rff rfl rfo rfp rfr rlc rld rlf rll rlo rlp rlr roc rod rof rol roo rop ror rpc rpd rpf rpl rpo rpp rpr rrc rrd rrf rrl rrp rrr