-er -ic c-- ccc cce ccf cci ccm ccr ccu ce- cec cee cef cei cem cer ceu cfc cfe cff cfi cfm cfr cfu ci- cic cie cif cii cim cir ciu cmc cme cmf cmi cmm cmr cmu crc cre crf cri crm crr cru cuc cue cuf cui cum cur cuu ec- ecc ece ecf eci ecm ecr ecu eec eee eef eem eer ef- efc efe eff efi efm efr eic eie eif eii eim eir eiu em- emc eme emf emi emm emr emu erc ere erf eri erm err eru eu- euc eue euf eui eur fcc fce fcf fci fcm fcr fcu fec fee fef fei fem fer feu ffc ffe fff ffi ffm ffr ffu fic fie fif fii fim fir fiu fmc fme fmf fmi fmm fmr fmu frc fre frf fri frm frr fru fue fuf fui fum fur fuu i-f icc ice icf ici icm icr icu ie- iec iee ief iei iem ier ifc ife iff ifi ifm ifr ifu iic iie iif iii iim iir iiu im- imc ime imf imi imm imu ir- irc ire irf iri irm irr iru iu- iuc iue iui ium iur m-f m-r mc- mcc mce mcf mci mcm mcr mcu mec mee mef mei mem mer meu mfc mfe mff mfi mfm mfr mfu mi- mic mie mif mii mim mir miu mmc mme mmf mmi mmm mmr mmu mrc mre mrf mri mrm mrr mru muc mue muf mui mum mur muu rcc rce rcf rci rcm rcr rcu re- rec ree ref rei rem rer reu rfc rfe rff rfi rfm rfr rfu ric rie rif rii rim rir rmc rme rmf rmi rmm rmr rrc rrf rri rrm rrr rru ruc rue ruf rui rum rur ruu ucc uce ucf uci ucm ucr ucu uec uee uef uei uem uer ufc ufe uff ufi ufm ufr ufu uic uie uif uii uim uir uiu um- umc ume umf umi umm umr umu ur- urc ure urf uri urm urr uru uuc uue uum uur uuu