-er -ic c-- ccc cce ccf cci ccm cco ccr cct ce- cec cee cef cei cem ceo cer cet cfc cfe cff cfi cfm cfo cfr cft ci- cic cie cif cii cim cio cir cit cmc cme cmf cmi cmm cmo cmr cmt co- coc coe cof coi com coo cor cot crc cre crf cri crm cro crr crt ctc cte ctf cti ctm cto ctr ctt ec- ecc ece ecf eci ecm eco ecr ect eec eee eef eem eeo eer eet ef- efc efe eff efi efm efo efr eft eic eie eif eii eim eio eir eit em- emc eme emf emi emm emo emr emt eo- eoc eoe eof eoi eom eoo eor eot erc ere erf eri erm ero err ert etc ete etf eti etm eto etr ett fcc fce fcf fci fcm fco fcr fct fec fee fef fei fem feo fer fet ffc ffe fff ffi ffm ffo ffr fft fic fie fif fii fim fir fit fmc fme fmf fmi fmm fmo fmr fmt foc foe fof foi fom foo for fot frc fre frf fri frm fro frr frt ftc fte ftf fti ftm fto ftr ftt i-f icc ice icf ici icm ico icr ict ie- iec iee ief iei iem ier iet ifc ife iff ifi ifm ifo ifr ift iic iie iif iii iim iio iir iit im- imc ime imf imi imm imo imt io- ioc ioe iof ioi iom ioo ior iot ir- irc ire irf iri irm iro irr irt itc ite itf iti itm ito itt m-f m-o m-r mc- mcc mce mcf mci mcm mco mcr mct mec mee mef mei mem meo mer met mfc mfe mff mfi mfm mfo mfr mft mi- mic mie mif mii mim mio mir mit mmc mme mmf mmi mmm mmo mmr mmt moc moe mof moi mom moo mor mot mrc mre mrf mri mrm mro mrr mrt mtc mte mtf mti mtm mto mtr mtt o-i oc- occ ocf oci ocm oco ocr oct oec oee oef oei oem oeo oer oet of- ofc ofe off ofi ofm ofo ofr oft oic oie oif oii oim oio oir oit om- omc ome omf omi omm omo omr omt oo- ooc oof ooi oom ooo oor oot or- orc ore orf ori orm oro orr ort ot- otc ote otf oti otm oto otr ott rcc rce rcf rci rcm rco rcr rct re- rec ree ref rei rem reo rer ret rfc rfe rff rfi rfm rfo rfr rft ric rie rif rii rim rio rir rit rmc rme rmf rmi rmm rmo rmr rmt roc roe rof roi rom roo ror rot rrc rrf rri rrm rrr rrt rtc rte rtf rti rtm rto rtr rtt tcc tce tcf tci tcm tco tcr tct te- tec tee tef tei tem teo ter tet tfc tfe tff tfi tfm tfo tfr tft tic tie tif tii tim tio tir tit tmc tme tmf tmi tmm tmo tmr tmt to- toc toe tof toi tom too tor tot trc tre trf tri trm tro trr trt ttc tte ttf tti ttm tto ttr ttt