-er c-- c-j ccc cce cch ccj cco ccr ce- cec cee ceh cej ceo cer ch- chc che chh cho chr cjc cjr co- coc coe coh coj coo cor crc cre crh crj cro crr ec- ecc ece ech ecj eco ecr eec eee eeo eer ehc ehe ehh eho ehr ejc ejo eo- eoc eoe eoh eoo eor erc ere erh ero err hcc hce hch hcj hco hcr he- hec hee heh hej heo her hhc hhe hhh hhj hho hhr hjo hjr hoc hoe hoh hoo hor hr- hrc hre hrh hrj hro hrr jcc jce jch jco jcr jec jee jeh jej jeo jer jhc jhe jhj jho jhr jjc jjj jjr joc joe joh joj joo jor jrc jro jrr oc- occ och ocj oco ocr oec oee oeh oeo oer ohc ohe ohh oho ohr ojc oje ojo oo- ooc ooh ooo oor or- orc ore orh oro orr rcc rce rch rcj rco rcr re- rec ree reh reo rer rh- rhc rhe rhh rho rhr rjc rjr roc roe roh roj roo ror rrc rrh rrr