-er -ic c-- ccc ccd cce cci ccm ccr ccu cdc cdd cde cdi cdm cdr cdu ce- cec ced cee cei cem cer ceu ci- cic cid cie cii cim cir ciu cmc cmd cme cmi cmm cmr cmu crc crd cre cri crm crr cru cuc cud cue cui cum cur cuu dcc dcd dce dci dcm dcr dcu ddc ddd dde ddi ddm ddr ddu de- dec ded dee dei dem der deu di- dic did die dii dim dir diu dmc dmd dme dmi dmm dmr dmu drc drd dre dri drm drr dru duc dud due dui dum dur ec- ecc ecd ece eci ecm ecr ecu ed- edc edd ede edi edm edr edu eec eed eee eem eer eic eid eie eii eim eir eiu em- emc emd eme emi emm emr emu erc erd ere eri erm err eru eu- euc eud eue eui eur i-d icc icd ice ici icm icr icu idc idd ide idi idm idr idu ie- iec ied iee iei iem ier iic iid iie iii iim iir iiu im- imc imd ime imi imm imu ir- irc ird ire iri irm irr iru iu- iuc iud iue iui ium iur m-r mc- mcc mcd mce mci mcm mcr mcu mdc mdd mde mdi mdm mdr mdu mec med mee mei mem mer meu mi- mic mid mie mii mim mir miu mmc mmd mme mmi mmm mmr mmu mrc mrd mre mri mrm mrr mru muc mud mue mui mum mur muu rcc rcd rce rci rcm rcr rcu rdc rdd rde rdi rdm rdr rdu re- rec red ree rei rem rer reu ric rid rie rii rim rir rmc rmd rme rmi rmm rmr rrc rrd rri rrm rrr rru ruc rud rue rui rum rur ruu ucc ucd uce uci ucm ucr ucu udc udd ude udi udm udr udu uec ued uee uei uem uer uic uid uie uii uim uir uiu um- umc umd ume umi umm umr umu ur- urc urd ure uri urm urr uru uuc uue uum uur uuu