-er -ic c-- ccc ccd cce ccf cci ccm cco ccr ccs cct cdc cdd cde cdf cdi cdm cdo cdr cds cdt ce- cec ced cee cef cei cem ceo cer ces cet cfc cfd cfe cff cfi cfm cfo cfr cfs cft ci- cic cid cie cif cii cim cio cir cis cit cmc cmd cme cmf cmi cmm cmo cmr cms cmt co- coc cod coe cof coi com coo cor cos cot crc crd cre crf cri crm cro crr crs crt csc csd cse csf csi csm cso csr css cst ctc ctd cte ctf cti ctm cto ctr cts ctt dcc dcd dce dcf dci dcm dco dcr dcs dct ddc ddd dde ddf ddi ddm ddo ddr dds ddt de- dec ded dee def dei dem deo der des det dfc dfd dfe dff dfi dfm dfo dfr dfs dft di- dic did die dif dii dim dio dir dis dit dmc dmd dme dmf dmi dmm dmo dmr dms dmt doc dod doe dof doi dom doo dor dos dot drc drd dre dri drm dro drr drs drt dsc dsd dse dsf dsi dsm dso dsr dss dst dtc dtd dte dtf dti dtm dto dtr dts dtt ec- ecc ecd ece ecf eci ecm eco ecr ecs ect ed- edc edd ede edf edi edm edo edr eds edt eec eed eee eef eem eeo eer ees eet ef- efc efd efe eff efi efm efo efr efs eft eic eid eie eif eii eim eio eir eis eit em- emc emd eme emf emi emm emo emr ems emt eo- eoc eod eoe eof eoi eom eoo eor eos eot erc erd ere erf eri erm ero err ers ert es- esc esd ese esf esi esm eso esr ess est etc etd ete etf eti etm eto etr ets ett fcc fcd fce fcf fci fcm fco fcr fcs fct fdc fdd fde fdf fdi fdm fdo fdr fds fdt fec fed fee fef fei fem feo fer fes fet ffc ffd ffe fff ffi ffm ffo ffr ffs fft fic fid fie fif fii fim fir fis fit fmc fmd fme fmf fmi fmm fmo fmr fms fmt foc foe fof foi fom foo for fos fot frc frd fre frf fri frm fro frr frs frt fsc fsd fse fsf fsi fsm fso fsr fss fst ftc ftd fte ftf fti ftm fto ftr fts ftt i-d i-f icc icd ice icf ici icm ico icr ics ict idc idd ide idf idi idm ido idr ids idt ie- iec ied iee ief iei iem ier ies iet ifc ifd ife iff ifi ifm ifo ifr ifs ift iic iid iie iif iii iim iio iir iis iit im- imc imd ime imf imi imm imo ims imt io- ioc iod ioe iof ioi iom ioo ior ios iot ir- irc ird ire irf iri irm iro irr irs irt is- isc isd ise isf isi ism iso isr iss ist itc itd ite itf iti itm ito its itt m-f m-o m-r mc- mcc mcd mce mcf mci mcm mco mcr mcs mct mdc mdd mde mdf mdi mdm mdo mdr mds mdt mec med mee mef mei mem meo mer mes met mfc mfd mfe mff mfi mfm mfo mfr mfs mft mi- mic mid mie mif mii mim mio mir mis mit mmc mmd mme mmf mmi mmm mmo mmr mms mmt moc mod moe mof moi mom moo mor mos mot mrc mrd mre mrf mri mrm mro mrr mrs mrt msc msd mse msf msi msm mso msr mss mst mtc mtd mte mtf mti mtm mto mtr mts mtt o-i oc- occ ocd ocf oci ocm oco ocr ocs oct odc odd ode odf odi odm odo odr ods odt oec oed oee oef oei oem oeo oer oes oet of- ofc ofd ofe off ofi ofm ofo ofr ofs oft oic oid oie oif oii oim oio oir ois oit om- omc omd ome omf omi omm omo omr oms omt oo- ooc ood oof ooi oom ooo oor oos oot or- orc ord ore orf ori orm oro orr ors ort os- osc osd ose osf osi osm oso osr oss ost ot- otc otd ote otf oti otm oto otr ots ott rcc rcd rce rcf rci rcm rco rcr rcs rct rdc rdd rde rdf rdi rdm rdo rdr rds rdt re- rec red ree ref rei rem reo rer res ret rfc rfd rfe rff rfi rfm rfo rfr rfs rft ric rid rie rif rii rim rio rir ris rit rmc rmd rme rmf rmi rmm rmo rmr rms rmt roc rod roe rof roi rom roo ror ros rot rrc rrd rrf rri rrm rrr rrs rrt rsc rsd rse rsf rsi rsm rso rsr rss rst rtc rtd rte rtf rti rtm rto rtr rts rtt scc scd sce scf sci scm sco scr scs sct sdc sdd sde sdf sdi sdm sdo sdr sds sdt se- sec sed see sef sei sem seo ser ses set sfc sfd sfe sff sfi sfm sfo sfr sfs sft sic sid sie sif sii sim sio sir sis sit smc smd sme smf smi smm smo smr sms smt soc sod soe sof soi som soo sor sos sot sr- src srd sre srf sri srm sro srr srs srt ss- ssc ssd sse ssf ssi ssm sso ssr sss sst stc std ste stf sti stm sto str sts stt tcc tcd tce tcf tci tcm tco tcr tcs tct tdc tdd tde tdf tdi tdm tdo tdr tds tdt te- tec ted tee tef tei tem teo ter tes tet tfc tfd tfe tff tfi tfm tfo tfr tfs tft tic tid tie tif tii tim tio tir tis tit tmc tmd tme tmf tmi tmm tmo tmr tms tmt to- toc tod toe tof toi tom too tor tos tot trc