-ic -ol c-- ccc ccf cci ccl cco ccr ccs cfc cff cfi cfl cfo cfr cfs ci- cic cif cii cil cio cir cis cl- clc clf cli cll clo clr cls co- coc cof coi col coo cor cos crc crf cri crl cro crr crs csc csf csi csl cso csr css fcc fcf fci fcl fco fcr fcs ffc fff ffi ffl ffo ffr ffs fic fif fii fil fir fis flc flf fli fll flo flr fls foc fof foi fol foo for fos frc frf fri frl fro frr frs fsc fsf fsi fsl fso fsr fss i-f icc icf ici icl ico icr ics ifc iff ifi ifl ifo ifr ifs iic iif iii iil iio iir iis il- ilc ilf ili ill ilo ilr ils io- ioc iof ioi iol ioo ior ios ir- irc irf iri irl iro irr irs is- isc isf isi isl iso isr iss lcc lcf lci lcl lco lcr lcs lfc lff lfi lfl lfo lfr lfs lic lif lii lil lio lir lis llc llf lli lll llo llr lls loc lof loi lol loo lor los lrc lrf lri lro lrr lrs lsc lsf lsi lsl lso lsr lss o-i oc- occ ocf oci ocl oco ocr ocs of- ofc off ofi ofl ofo ofr ofs oic oif oii oil oio oir ois olc olf oli oll olo ols oo- ooc oof ooi ool ooo oor oos or- orc orf ori orl oro orr ors os- osc osf osi osl oso osr oss rcc rcf rci rcl rco rcr rcs rfc rff rfi rfl rfo rfr rfs ric rif rii ril rio rir ris rlc rlf rli rll rlo rlr rls roc rof roi rol roo ror ros rrc rrf rri rrl rrr rrs rsc rsf rsi rsl rso rsr rss scc scf sci scl sco scr scs sfc sff sfi sfl sfo sfr sfs sic sif sii sil sio sir sis slc slf sli sll slo slr sls soc sof soi sol soo sor sos sr- src srf sri srl sro srr srs ss- ssc ssf ssi ssl sso ssr sss