-er -ic c-- ccc ccd cce cci cco ccp ccr cct cdc cdd cde cdi cdo cdp cdr cdt ce- cec ced cee cei ceo cep cer cet ci- cic cid cie cii cio cip cir cit co- coc cod coe coi coo cop cor cot cpc cpd cpe cpi cpo cpp cpr cpt crc crd cre cri cro crp crr crt ctc ctd cte cti cto ctp ctr ctt dcc dcd dce dci dco dcp dcr dct ddc ddd dde ddi ddo ddp ddr ddt de- dec ded dee dei deo dep der det di- dic did die dii dio dip dir dit doc dod doe doi doo dop dor dot dpc dpd dpe dpi dpo dpp dpr dpt drc drd dre dri dro drp drr drt dtc dtd dte dti dto dtp dtr dtt ec- ecc ecd ece eci eco ecr ect ed- edc edd ede edi edo edp edr edt eec eed eee eeo eep eer eet eic eid eie eii eio eip eir eit eo- eoc eod eoe eoi eoo eop eor eot ep- epc epd epe epi epo epp epr ept erc erd ere eri ero erp err ert etc etd ete eti eto etp etr ett i-d icc icd ice ici ico icp icr ict idc idd ide idi ido idp idr idt ie- iec ied iee iei iep ier iet iic iid iie iii iio iip iir iit io- ioc iod ioe ioi ioo iop ior iot ipc ipd ipe ipi ipo ipp ipr ipt ir- irc ird ire iri iro irp irr irt itc itd ite iti ito itp itt o-i oc- occ ocd oci oco ocp ocr oct odc odd ode odi odo odp odr odt oec oed oee oei oeo oep oer oet oic oid oie oii oio oip oir oit oo- ooc ood ooi ooo oop oor oot op- opc opd ope opi opo opp opr opt or- orc ord ore ori oro orp orr ort ot- otc otd ote oti oto otp otr ott p-p pcc pcd pce pci pco pcp pcr pct pdc pdd pde pdi pdo pdp pdr pdt pec ped pee pei peo pep per pet pic pid pie pii pio pip pir pit poc pod poe poi poo pop por pot ppc ppd ppe ppi ppo ppp ppr ppt prc prd pre pri pro prp prr prt pt- ptc ptd pte pti pto ptp ptr ptt rcc rcd rce rci rco rcp rcr rct rdc rdd rde rdi rdo rdp rdr rdt re- rec red ree rei reo rep rer ret ric rid rie rii rio rip rir rit roc rod roe roi roo rop ror rot rpc rpd rpe rpi rpo rpp rpr rpt rrc rrd rri rrp rrr rrt rtc rtd rte rti rto rtp rtr rtt tcc tcd tce tci tco tcp tcr tct tdc tdd tde tdi tdo tdp tdr tdt te- tec ted tee tei teo tep ter tet tic tid tie tii tio tip tir tit to- toc tod toe toi too top tor tot tpc tpd tpe tpi tpo tpp tpr tpt trc trd tre tri tro trp trr trt ttc ttd tte tti tto ttp ttr ttt