-er c-- ccc cce cch ccn ccr ccu ce- cec cee ceh cen cer ceu ch- chc che chh chn chr chu cn- cnc cne cnh cnn cnr cnu crc cre crh crn crr cru cuc cue cuh cun cur cuu ec- ecc ece ech ecn ecr ecu eec eee een eer ehc ehe ehh ehn ehr ehu en- enc ene enh enn enr enu erc ere erh ern err eru eu- euc eue eun eur hcc hce hch hcn hcr he- hec hee heh hen her heu hhc hhe hhh hhn hhr hhu hnc hne hnh hnn hnu hr- hrc hre hrh hrn hrr hru huc hue huh hun hur huu ncc nce nch ncn ncr ncu ne- nec nee neh nen ner neu nhc nhe nhh nhn nhr nhu nnc nne nnh nnn nnu nrc nre nrn nrr nru nuc nue nuh nun nur nuu rcc rce rch rcn rcr rcu re- rec ree reh ren rer reu rh- rhc rhe rhh rhn rhr rhu rnc rnh rnn rnr rnu rrc rrh rrn rrr rru ruc rue ruh run rur ruu ucc uce uch ucn ucr ucu uec uee ueh uen uer uhc uhe uhh uhr uhu un- unc une unh unn unr unu ur- urc ure urn urr uru uuc uue uun uur uuu