-ic c-- ccc ccd ccf cci ccm cco ccr ccs cdc cdd cdf cdi cdm cdo cdr cds cfc cfd cff cfi cfm cfo cfr cfs ci- cic cid cif cii cim cio cir cis cmc cmd cmf cmi cmm cmo cmr cms co- coc cod cof coi com coo cor cos crc crd crf cri crm cro crr crs csc csd csf csi csm cso csr css dcc dcd dcf dci dcm dco dcr dcs ddc ddd ddf ddi ddm ddo ddr dds dfc dfd dff dfi dfm dfo dfr dfs di- dic did dif dii dim dio dir dis dmc dmd dmf dmi dmm dmo dmr dms doc dod dof doi dom doo dor dos drc drd dri drm dro drr drs dsc dsd dsf dsi dsm dso dsr dss fcc fcd fcf fci fcm fco fcr fcs fdc fdd fdf fdi fdm fdo fdr fds ffc ffd fff ffi ffm ffo ffr ffs fic fid fif fii fim fir fis fmc fmd fmf fmi fmm fmo fmr fms foc fof foi fom foo for fos frc frd frf fri frm fro frr frs fsc fsd fsf fsi fsm fso fsr fss i-d i-f icc icd icf ici icm ico icr ics idc idd idf idi idm ido idr ids ifc ifd iff ifi ifm ifo ifr ifs iic iid iif iii iim iio iir iis im- imc imd imf imi imm imo ims io- ioc iod iof ioi iom ioo ior ios ir- irc ird irf iri irm iro irr irs is- isc isd isf isi ism iso isr iss m-f m-o m-r mc- mcc mcd mcf mci mcm mco mcr mcs mdc mdd mdf mdi mdm mdo mdr mds mfc mfd mff mfi mfm mfo mfr mfs mi- mic mid mif mii mim mio mir mis mmc mmd mmf mmi mmm mmo mmr mms moc mod mof moi mom moo mor mos mrc mrd mrf mri mrm mro mrr mrs msc msd msf msi msm mso msr mss o-i oc- occ ocd ocf oci ocm oco ocr ocs odc odd odf odi odm odo odr ods of- ofc ofd off ofi ofm ofo ofr ofs oic oid oif oii oim oio oir ois om- omc omd omf omi omm omo omr oms oo- ooc ood oof ooi oom ooo oor oos or- orc ord orf ori orm oro orr ors os- osc osd osf osi osm oso osr oss rcc rcd rcf rci rcm rco rcr rcs rdc rdd rdf rdi rdm rdo rdr rds rfc rfd rff rfi rfm rfo rfr rfs ric rid rif rii rim rio rir ris rmc rmd rmf rmi rmm rmo rmr rms roc rod rof roi rom roo ror ros rrc rrd rrf rri rrm rrr rrs rsc rsd rsf rsi rsm rso rsr rss scc scd scf sci scm sco scr scs sdc sdd sdf sdi sdm sdo sdr sds sfc sfd sff sfi sfm sfo sfr sfs sic sid sif sii sim sio sir sis smc smd smf smi smm smo smr sms soc sod sof soi som soo sor sos sr- src srd srf sri srm sro srr srs ss- ssc ssd ssf ssi ssm sso ssr sss