-ic c-- ccc ccf cci ccm cco ccr ccs cfc cff cfi cfm cfo cfr cfs ci- cic cif cii cim cio cir cis cmc cmf cmi cmm cmo cmr cms co- coc cof coi com coo cor cos crc crf cri crm cro crr crs csc csf csi csm cso csr css fcc fcf fci fcm fco fcr fcs ffc fff ffi ffm ffo ffr ffs fic fif fii fim fir fis fmc fmf fmi fmm fmo fmr fms foc fof foi fom foo for fos frc frf fri frm fro frr frs fsc fsf fsi fsm fso fsr fss i-f icc icf ici icm ico icr ics ifc iff ifi ifm ifo ifr ifs iic iif iii iim iio iir iis im- imc imf imi imm imo ims io- ioc iof ioi iom ioo ior ios ir- irc irf iri irm iro irr irs is- isc isf isi ism iso isr iss m-f m-o m-r mc- mcc mcf mci mcm mco mcr mcs mfc mff mfi mfm mfo mfr mfs mi- mic mif mii mim mio mir mis mmc mmf mmi mmm mmo mmr mms moc mof moi mom moo mor mos mrc mrf mri mrm mro mrr mrs msc msf msi msm mso msr mss o-i oc- occ ocf oci ocm oco ocr ocs of- ofc off ofi ofm ofo ofr ofs oic oif oii oim oio oir ois om- omc omf omi omm omo omr oms oo- ooc oof ooi oom ooo oor oos or- orc orf ori orm oro orr ors os- osc osf osi osm oso osr oss rcc rcf rci rcm rco rcr rcs rfc rff rfi rfm rfo rfr rfs ric rif rii rim rio rir ris rmc rmf rmi rmm rmo rmr rms roc rof roi rom roo ror ros rrc rrf rri rrm rrr rrs rsc rsf rsi rsm rso rsr rss scc scf sci scm sco scr scs sfc sff sfi sfm sfo sfr sfs sic sif sii sim sio sir sis smc smf smi smm smo smr sms soc sof soi som soo sor sos sr- src srf sri srm sro srr srs ss- ssc ssf ssi ssm sso ssr sss