-ic -ol c-- ccc ccf cci cck ccl cco ccp ccr cfc cff cfi cfk cfl cfo cfp cfr ci- cic cif cii cik cil cio cip cir ckc cki cko cl- clc clf cli clk cll clo clp clr co- coc cof coi cok col coo cop cor cpc cpf cpi cpk cpl cpo cpp cpr crc crf cri crk crl cro crp crr fcc fcf fci fck fcl fco fcp fcr ffc fff ffi ffk ffl ffo ffp ffr fic fif fii fik fil fip fir fkc fkf fki fkk fkl fkp flc flf fli fll flo flp flr foc fof foi fok fol foo fop for fpc fpi fpk fpl fpo fpp fpr frc frf fri frk frl fro frp frr i-f icc icf ici ick icl ico icp icr ifc iff ifi ifl ifo ifp ifr iic iif iii iil iio iip iir ikc ikf iki ikk ikl iko ikr il- ilc ilf ili ilk ill ilo ilp ilr io- ioc iof ioi iol ioo iop ior ipc ipf ipi ipl ipo ipp ipr ir- irc irf iri irk irl iro irp irr kcc kci kck kcl kcp kcr kfc kff kfi kfo kic kif kii kik kil kio kip kir kkc kki kkk kkl kkp kkr kl- klc klf kli klo klr koc kof koi kok kol koo kop kor kpc kpf kpi kpk kpl kpo kpp kpr krc krf kri krk krl kro krp krr l-p lcc lcf lci lck lcl lco lcp lcr lfc lff lfi lfk lfl lfo lfp lfr lic lif lii lik lil lio lip lir lkl lkp lkr llc llf lli llk lll llo llp llr loc lof loi lok lol loo lop lor lpc lpf lpi lpk lpl lpo lpp lpr lrc lrf lri lrk lro lrp lrr o-i oc- occ ocf oci ock ocl oco ocp ocr of- ofc off ofi ofl ofo ofp ofr oic oif oii oik oil oio oip oir okc oki okk okl oko okp okr olc olf oli olk oll olo olp oo- ooc oof ooi ook ool ooo oop oor op- opc opf opi opk opl opo opp opr or- orc orf ori ork orl oro orp orr p-p pcc pcf pci pck pcl pco pcp pcr pfc pff pfi pfk pfl pfo pfp pfr pic pif pii pik pil pio pip pir pkc pkf pki pkl pko pkp pkr plc plf pli plk pll plo plp plr poc pof poi pok pol poo pop por ppc ppf ppi ppk ppl ppo ppp ppr prc prf pri prk prl pro prp prr rcc rcf rci rcl rco rcp rcr rfc rff rfi rfk rfl rfo rfp rfr ric rif rii rik ril rio rip rir rkc rkf rkk rko rkp rlc rlf rli rll rlo rlp rlr roc rof roi rok rol roo rop ror rpc rpf rpi rpk rpl rpo rpp rpr rrc rrf rri rrk rrl rrp rrr