-er -ic c-- ccc ccd cce cci ccp ccr cct ccv cdc cdd cde cdi cdp cdr cdt cdv ce- cec ced cee cei cep cer cet cev ci- cic cid cie cii cip cir cit civ cpc cpd cpe cpi cpp cpr cpt cpv crc crd cre cri crp crr crt crv ctc ctd cte cti ctp ctr ctt ctv cvc cvd cve cvi cvp cvr cvt cvv dcc dcd dce dci dcp dcr dct dcv ddc ddd dde ddi ddp ddr ddt de- dec ded dee dei dep der det dev di- dic did die dii dip dir dit div dpc dpd dpe dpi dpp dpr dpt dpv drc drd dre dri drp drr drt drv dtc dtd dte dti dtp dtr dtt dtv dvc dvd dve dvi dvp dvr dvt ec- ecc ecd ece eci ecr ect ecv ed- edc edd ede edi edp edr edt eec eed eee eep eer eet eev eic eid eie eii eip eir eit eiv ep- epc epd epe epi epp epr ept erc erd ere eri erp err ert erv etc etd ete eti etp etr ett etv evc evd eve evi evp evr evt evv i-d i-v icc icd ice ici icp icr ict icv idc idd ide idi idp idr idt idv ie- iec ied iee iei iep ier iet iev iic iid iie iii iip iir iit ipc ipd ipe ipi ipp ipr ipt ipv ir- irc ird ire iri irp irr irt irv itc itd ite iti itp itt itv ivc ivd ive ivi ivp ivr ivt ivv p-p pcc pcd pce pci pcp pcr pct pcv pdc pdd pde pdi pdp pdr pdt pdv pec ped pee pei pep per pet pev pic pid pie pii pip pir pit piv ppc ppd ppe ppi ppp ppr ppt ppv prc prd pre pri prp prr prt prv pt- ptc ptd pte pti ptp ptr ptt ptv pvc pvd pve pvi pvp pvr pvt pvv rcc rcd rce rci rcp rcr rct rcv rdc rdd rde rdi rdp rdr rdt rdv re- rec red ree rei rep rer ret rev ric rid rie rii rip rir rit riv rpc rpd rpe rpi rpp rpr rpt rpv rrc rrd rri rrp rrr rrt rtc rtd rte rti rtp rtr rtt rtv rvc rvd rve rvi rvp rvr rvt rvv tcc tcd tce tci tcp tcr tct tcv tdc tdd tde tdi tdp tdr tdt tdv te- tec ted tee tei tep ter tet tev tic tid tie tii tip tir tit tiv tpc tpd tpe tpi tpp tpr tpt tpv trc trd tre tri trp trr trt trv ttc ttd tte tti ttp ttr ttt ttv tvc tvd tve tvi tvp tvr tvt v-e vcc vcd vce vci vcp vcr vct vdc vdd vde vdi vdp vdr vdt vdv vec ved vee vei vep ver vet vi- vic vid vie vii vip vir vit viv vpc vpd vpe vpi vpp vpr vpt vrc vrd vre vri vrp vrr vrt vtc vte vti vtr vtt vtv vvc vvi vvr vvt vvv