-er c-- ccc ccd cce cck ccm ccn ccr ccu cdc cdd cde cdk cdm cdn cdr cdu ce- cec ced cee cek cem cen cer ceu ckc ckd ckm cmc cmd cme cmk cmm cmn cmr cmu cn- cnc cnd cne cnm cnn cnr cnu crc crd cre crk crm crn crr cru cuc cud cue cuk cum cun cur cuu dcc dcd dce dck dcm dcn dcr dcu ddc ddd dde ddk ddm ddn ddr ddu de- dec ded dee dek dem den der deu dkc dke dkk dkm dkr dku dmc dmd dme dmk dmm dmn dmr dmu dnc dnd dne dnk dnm dnn dnr drc drd dre drk drm drn drr dru duc dud due duk dum dun dur ec- ecc ecd ece eck ecm ecn ecr ecu ed- edc edd ede edk edm edn edr edu eec eed eee eek eem een eer ekc ekd eke ekr eku em- emc emd eme emk emm emn emr emu en- enc end ene enk enm enn enr enu erc erd ere erk erm ern err eru eu- euc eud eue eun eur kcc kcd kce kck kcm kcn kcr kcu kdc kde kdk kdm kdr kdu ke- kec ked kee kek kem ken ker kkc kke kkk kkm kkn kkr kku kmc kmd kme kmk kmm kmu kn- knc knd kne knk knm knn knr knu krc krd krk krn krr kru kuc kud kue kuk kum kun kur kuu m-r mc- mcc mcd mce mck mcm mcn mcr mcu mdc mdd mde mdk mdm mdn mdr mdu mec med mee mek mem men mer meu mkc mkd mke mkk mkm mkn mkr mku mmc mmd mme mmk mmm mmn mmr mmu mnc mne mnk mnm mnn mnr mnu mrc mrd mre mrk mrm mrn mrr mru muc mud mue muk mum mun mur muu ncc ncd nce nck ncm ncn ncr ncu ndc ndd nde ndk ndm ndn ndr ndu ne- nec ned nee nek nem nen ner neu nkc nke nkk nkm nkn nkr nku nmc nmd nme nmk nmm nmn nmr nmu nnc nne nnk nnm nnn nnu nrc nrd nre nrk nrm nrn nrr nru nuc nud nue nuk num nun nur nuu rcc rcd rce rcm rcn rcr rcu rdc rdd rde rdm rdn rdr rdu re- rec red ree rek rem ren rer reu rkc rke rkk rkm rku rmc rmd rme rmm rmn rmr rnc rnd rnm rnn rnr rnu rrc rrd rrk rrm rrn rrr rru ruc rud rue ruk rum run rur ruu ucc ucd uce uck ucm ucn ucr ucu udc udd ude udk udm udn udr udu uec ued uee uem uen uer ukc uke ukk ukn ukr uku um- umc umd ume umm umn umr umu un- unc und une unk unm unn unr unu ur- urc urd ure urk urm urn urr uru uuc uue uum uun uur uuu