-er c-- ccc ccd cce ccm ccn ccr ccu cdc cdd cde cdm cdn cdr cdu ce- cec ced cee cem cen cer ceu cmc cmd cme cmm cmn cmr cmu cn- cnc cnd cne cnm cnn cnr cnu crc crd cre crm crn crr cru cuc cud cue cum cun cur cuu dcc dcd dce dcm dcn dcr dcu ddc ddd dde ddm ddn ddr ddu de- dec ded dee dem den der deu dmc dmd dme dmm dmn dmr dmu dnc dnd dne dnm dnn dnr drc drd dre drm drn drr dru duc dud due dum dun dur ec- ecc ecd ece ecm ecn ecr ecu ed- edc edd ede edm edn edr edu eec eed eee eem een eer em- emc emd eme emm emn emr emu en- enc end ene enm enn enr enu erc erd ere erm ern err eru eu- euc eud eue eun eur m-r mc- mcc mcd mce mcm mcn mcr mcu mdc mdd mde mdm mdn mdr mdu mec med mee mem men mer meu mmc mmd mme mmm mmn mmr mmu mnc mne mnm mnn mnr mnu mrc mrd mre mrm mrn mrr mru muc mud mue mum mun mur muu ncc ncd nce ncm ncn ncr ncu ndc ndd nde ndm ndn ndr ndu ne- nec ned nee nem nen ner neu nmc nmd nme nmm nmn nmr nmu nnc nne nnm nnn nnu nrc nrd nre nrm nrn nrr nru nuc nud nue num nun nur nuu rcc rcd rce rcm rcn rcr rcu rdc rdd rde rdm rdn rdr rdu re- rec red ree rem ren rer reu rmc rmd rme rmm rmn rmr rnc rnd rnm rnn rnr rnu rrc rrd rrm rrn rrr rru ruc rud rue rum run rur ruu ucc ucd uce ucm ucn ucr ucu udc udd ude udm udn udr udu uec ued uee uem uen uer um- umc umd ume umm umn umr umu un- unc und une unm unn unr unu ur- urc urd ure urm urn urr uru uuc uue uum uun uur uuu