-ic -ol c-- ccc ccf cci ccl ccm cco ccr ccs cfc cff cfi cfl cfm cfo cfr cfs ci- cic cif cii cil cim cio cir cis cl- clc clf cli cll clm clo clr cls cmc cmf cmi cml cmm cmo cmr cms co- coc cof coi col com coo cor cos crc crf cri crl crm cro crr crs csc csf csi csl csm cso csr css fcc fcf fci fcl fcm fco fcr fcs ffc fff ffi ffl ffm ffo ffr ffs fic fif fii fil fim fir fis flc flf fli fll flm flo flr fls fmc fmf fmi fml fmm fmo fmr fms foc fof foi fol fom foo for fos frc frf fri frl frm fro frr frs fsc fsf fsi fsl fsm fso fsr fss i-f icc icf ici icl icm ico icr ics ifc iff ifi ifl ifm ifo ifr ifs iic iif iii iil iim iio iir iis il- ilc ilf ili ill ilm ilo ilr ils im- imc imf imi iml imm imo ims io- ioc iof ioi iol iom ioo ior ios ir- irc irf iri irl irm iro irr irs is- isc isf isi isl ism iso isr iss lcc lcf lci lcl lcm lco lcr lcs lfc lff lfi lfl lfm lfo lfr lfs lic lif lii lil lim lio lir lis llc llf lli lll llm llo llr lls lmc lmf lmi lml lmm lmo lmr lms loc lof loi lol lom loo lor los lrc lrf lri lrm lro lrr lrs lsc lsf lsi lsl lsm lso lsr lss m-f m-o m-r mc- mcc mcf mci mcl mcm mco mcr mcs mfc mff mfi mfl mfm mfo mfr mfs mi- mic mif mii mil mim mio mir mis mlc mlf mli mll mlm mlo mlr mls mmc mmf mmi mml mmm mmo mmr mms moc mof moi mol mom moo mor mos mrc mrf mri mrl mrm mro mrr mrs msc msf msi msl msm mso msr mss o-i oc- occ ocf oci ocl ocm oco ocr ocs of- ofc off ofi ofl ofm ofo ofr ofs oic oif oii oil oim oio oir ois olc olf oli oll olm olo ols om- omc omf omi oml omm omo omr oms oo- ooc oof ooi ool oom ooo oor oos or- orc orf ori orl orm oro orr ors os- osc osf osi osl osm oso osr oss rcc rcf rci rcl rcm rco rcr rcs rfc rff rfi rfl rfm rfo rfr rfs ric rif rii ril rim rio rir ris rlc rlf rli rll rlm rlo rlr rls rmc rmf rmi rml rmm rmo rmr rms roc rof roi rol rom roo ror ros rrc rrf rri rrl rrm rrr rrs rsc rsf rsi rsl rsm rso rsr rss scc scf sci scl scm sco scr scs sfc sff sfi sfl sfm sfo sfr sfs sic sif sii sil sim sio sir sis slc slf sli sll slm slo slr sls smc smf smi sml smm smo smr sms soc sof soi sol som soo sor sos sr- src srf sri srl srm sro srr srs ss- ssc ssf ssi ssl ssm sso ssr sss