-er c-- ccc cce cch ccn ccr ce- cec cee ceh cen cer ch- chc che chh chn chr cn- cnc cne cnh cnn cnr crc cre crh crn crr ec- ecc ece ech ecn ecr eec eee een eer ehc ehe ehh ehn ehr en- enc ene enh enn enr erc ere erh ern err hcc hce hch hcn hcr he- hec hee heh hen her hhc hhe hhh hhn hhr hnc hne hnh hnn hr- hrc hre hrh hrn hrr ncc nce nch ncn ncr ne- nec nee neh nen ner nhc nhe nhh nhn nhr nnc nne nnh nnn nrc nre nrn nrr rcc rce rch rcn rcr re- rec ree reh ren rer rh- rhc rhe rhh rhn rhr rnc rnh rnn rnr rrc rrh rrn rrr