-ic c-- ccc ccf cci ccm cco ccp ccr ccs cfc cff cfi cfm cfo cfp cfr cfs ci- cic cif cii cim cio cip cir cis cmc cmf cmi cmm cmo cmp cmr cms co- coc cof coi com coo cop cor cos cpc cpf cpi cpm cpo cpp cpr cps crc crf cri crm cro crp crr crs csc csf csi csm cso csp csr css fcc fcf fci fcm fco fcp fcr fcs ffc fff ffi ffm ffo ffp ffr ffs fic fif fii fim fip fir fis fmc fmf fmi fmm fmo fmp fmr fms foc fof foi fom foo fop for fos fpc fpi fpm fpo fpp fpr fps frc frf fri frm fro frp frr frs fsc fsf fsi fsm fso fsp fsr fss i-f icc icf ici icm ico icp icr ics ifc iff ifi ifm ifo ifp ifr ifs iic iif iii iim iio iip iir iis im- imc imf imi imm imo imp ims io- ioc iof ioi iom ioo iop ior ios ipc ipf ipi ipm ipo ipp ipr ips ir- irc irf iri irm iro irp irr irs is- isc isf isi ism iso isp isr iss m-f m-o m-r mc- mcc mcf mci mcm mco mcp mcr mcs mfc mff mfi mfm mfo mfp mfr mfs mi- mic mif mii mim mio mip mir mis mmc mmf mmi mmm mmo mmp mmr mms moc mof moi mom moo mop mor mos mpc mpf mpi mpm mpo mpp mpr mps mrc mrf mri mrm mro mrp mrr mrs msc msf msi msm mso msp msr mss o-i oc- occ ocf oci ocm oco ocp ocr ocs of- ofc off ofi ofm ofo ofp ofr ofs oic oif oii oim oio oip oir ois om- omc omf omi omm omo omp omr oms oo- ooc oof ooi oom ooo oop oor oos op- opc opf opi opm opo opp opr ops or- orc orf ori orm oro orp orr ors os- osc osf osi osm oso osp osr oss p-p pcc pcf pci pcm pco pcp pcr pcs pfc pff pfi pfm pfo pfp pfr pfs pic pif pii pim pio pip pir pis pmc pmf pmi pmm pmo pmp pmr pms poc pof poi pom poo pop por pos ppc ppf ppi ppm ppo ppp ppr pps prc prf pri prm pro prp prr prs ps- psc psf psi psm pso psp psr pss rcc rcf rci rcm rco rcp rcr rcs rfc rff rfi rfm rfo rfp rfr rfs ric rif rii rim rio rip rir ris rmc rmf rmi rmm rmo rmp rmr rms roc rof roi rom roo rop ror ros rpc rpf rpi rpm rpo rpp rpr rps rrc rrf rri rrm rrp rrr rrs rsc rsf rsi rsm rso rsp rsr rss scc scf sci scm sco scp scr scs sfc sff sfi sfm sfo sfp sfr sfs sic sif sii sim sio sip sir sis smc smf smi smm smo smp smr sms soc sof soi som soo sop sor sos spc spf spi spm spo spp spr sps sr- src srf sri srm sro srp srr srs ss- ssc ssf ssi ssm sso ssp ssr sss