-ic -ol c-- ccc ccf cci cck ccl cco ccr cfc cff cfi cfk cfl cfo cfr ci- cic cif cii cik cil cio cir ckc cki cko cl- clc clf cli clk cll clo clr co- coc cof coi cok col coo cor crc crf cri crk crl cro crr fcc fcf fci fck fcl fco fcr ffc fff ffi ffk ffl ffo ffr fic fif fii fik fil fir fkc fkf fki fkk fkl flc flf fli fll flo flr foc fof foi fok fol foo for frc frf fri frk frl fro frr i-f icc icf ici ick icl ico icr ifc iff ifi ifl ifo ifr iic iif iii iil iio iir ikc ikf iki ikk ikl iko ikr il- ilc ilf ili ilk ill ilo ilr io- ioc iof ioi iol ioo ior ir- irc irf iri irk irl iro irr kcc kci kck kcl kcr kfc kff kfi kfo kic kif kii kik kil kio kir kkc kki kkk kkl kkr kl- klc klf kli klo klr koc kof koi kok kol koo kor krc krf kri krk krl kro krr lcc lcf lci lck lcl lco lcr lfc lff lfi lfk lfl lfo lfr lic lif lii lik lil lio lir lkl lkr llc llf lli llk lll llo llr loc lof loi lok lol loo lor lrc lrf lri lrk lro lrr o-i oc- occ ocf oci ock ocl oco ocr of- ofc off ofi ofl ofo ofr oic oif oii oik oil oio oir okc oki okk okl oko okr olc olf oli olk oll olo oo- ooc oof ooi ook ool ooo oor or- orc orf ori ork orl oro orr rcc rcf rci rcl rco rcr rfc rff rfi rfk rfl rfo rfr ric rif rii rik ril rio rir rkc rkf rkk rko rlc rlf rli rll rlo rlr roc rof roi rok rol roo ror rrc rrf rri rrk rrl rrr