-er -ic c-- ccc cce cch cci cco ccp ccr ce- cec cee ceh cei ceo cep cer ch- chc che chh chi cho chp chr ci- cic cie cih cii cio cip cir co- coc coe coh coi coo cop cor cpc cpe cph cpi cpo cpp cpr crc cre crh cri cro crp crr ec- ecc ece ech eci eco ecr eec eee eeo eep eer ehc ehe ehh ehi eho ehp ehr eic eie eii eio eip eir eo- eoc eoe eoh eoi eoo eop eor ep- epc epe eph epi epo epp epr erc ere erh eri ero erp err h-i hcc hce hch hci hco hcp hcr he- hec hee heh hei heo hep her hhc hhe hhh hhi hho hhp hhr hic hie hih hii hio hip hir hoc hoe hoh hoi hoo hop hor hpc hpe hph hpi hpo hpp hpr hr- hrc hre hrh hri hro hrp hrr icc ice ich ici ico icp icr ie- iec iee iei iep ier ihc ihe ihh ihi iho ihp ihr iic iie iih iii iio iip iir io- ioc ioe ioh ioi ioo iop ior ipc ipe ipi ipo ipp ipr ir- irc ire iri iro irp irr o-i oc- occ och oci oco ocp ocr oec oee oeh oei oeo oep oer ohc ohe ohh ohi oho ohp ohr oic oie oii oio oip oir oo- ooc ooh ooi ooo oop oor op- opc ope oph opi opo opp opr or- orc ore orh ori oro orp orr p-p pcc pce pch pci pco pcp pcr pec pee peh pei peo pep per phc phe phi pho php phr pic pie pih pii pio pip pir poc poe poh poi poo pop por ppc ppe pph ppi ppo ppp ppr prc pre prh pri pro prp prr rcc rce rch rci rco rcp rcr re- rec ree reh rei reo rep rer rh- rhc rhe rhh rhi rho rhp rhr ric rie rih rii rio rip rir roc roe roh roi roo rop ror rpc rpe rph rpi rpo rpp rpr rrc rrh rri rrp rrr