-er -ic c-- ccc ccd cce cch cci cco ccp ccr cdc cdd cde cdh cdi cdo cdp cdr ce- cec ced cee ceh cei ceo cep cer ch- chc chd che chh chi cho chp chr ci- cic cid cie cih cii cio cip cir co- coc cod coe coh coi coo cop cor cpc cpd cpe cph cpi cpo cpp cpr crc crd cre crh cri cro crp crr dcc dcd dce dci dco dcp dcr ddc ddd dde ddh ddi ddo ddp ddr de- dec ded dee deh dei deo dep der dh- dhc dhd dhe dhh dhi dho dhp dhr di- dic did die dih dii dio dip dir doc dod doe doh doi doo dop dor dpc dpd dpe dph dpi dpo dpp dpr drc drd dre dri dro drp drr ec- ecc ecd ece ech eci eco ecr ed- edc edd ede edh edi edo edp edr eec eed eee eeo eep eer ehc ehd ehe ehh ehi eho ehp ehr eic eid eie eii eio eip eir eo- eoc eod eoe eoh eoi eoo eop eor ep- epc epd epe eph epi epo epp epr erc erd ere erh eri ero erp err h-i hcc hcd hce hch hci hco hcp hcr hdc hdd hde hdh hdi hdo hdp hdr he- hec hed hee heh hei heo hep her hhc hhd hhe hhh hhi hho hhp hhr hic hid hie hih hii hio hip hir hoc hod hoe hoh hoi hoo hop hor hpc hpd hpe hph hpi hpo hpp hpr hr- hrc hrd hre hrh hri hro hrp hrr i-d icc icd ice ich ici ico icp icr idc idd ide idh idi ido idp idr ie- iec ied iee iei iep ier ihc ihd ihe ihh ihi iho ihp ihr iic iid iie iih iii iio iip iir io- ioc iod ioe ioh ioi ioo iop ior ipc ipd ipe ipi ipo ipp ipr ir- irc ird ire iri iro irp irr o-i oc- occ ocd och oci oco ocp ocr odc odd ode odh odi odo odp odr oec oed oee oeh oei oeo oep oer ohc ohd ohe ohh ohi oho ohp ohr oic oid oie oii oio oip oir oo- ooc ood ooh ooi ooo oop oor op- opc opd ope oph opi opo opp opr or- orc ord ore orh ori oro orp orr p-p pcc pcd pce pch pci pco pcp pcr pdc pdd pde pdh pdi pdo pdp pdr pec ped pee peh pei peo pep per phc phd phe phi pho php phr pic pid pie pih pii pio pip pir poc pod poe poh poi poo pop por ppc ppd ppe pph ppi ppo ppp ppr prc prd pre prh pri pro prp prr rcc rcd rce rch rci rco rcp rcr rdc rdd rde rdh rdi rdo rdp rdr re- rec red ree reh rei reo rep rer rh- rhc rhd rhe rhh rhi rho rhp rhr ric rid rie rih rii rio rip rir roc rod roe roh roi roo rop ror rpc rpd rpe rph rpi rpo rpp rpr rrc rrd rrh rri rrp rrr