-er c-- ccc cce cch cck ccr ce- cec cee ceh cek ceq cer ch- chc che chh chk chq chr ckc ckh cqc crc cre crh crk crq crr ec- ecc ece ech eck ecq ecr eec eee eek eer ehc ehe ehh ehr ekc eke ekh ekr eqe eqq erc ere erh erk erq err hcc hce hch hck hcr he- hec hee heh hek her hhc hhe hhh hhk hhr hkh hkk hkr hr- hrc hre hrh hrk hrr kcc kce kch kck kcr ke- kec kee keh kek ker khe khh khk khr kkc kke kkh kkk kkr krc krk krr qcc qec qee qeh qhc qqk qqq qrc qre qrh rcc rce rch rcr re- rec ree reh rek req rer rh- rhc rhe rhh rhr rkc rke rkk rqc rrc rrh rrk rrq rrr