-er -ic c-- ccc ccd cce ccf cci ccl ccp ccr cdc cdd cde cdf cdi cdl cdp cdr ce- cec ced cee cef cei cel cep cer cfc cfd cfe cff cfi cfl cfp cfr ci- cic cid cie cif cii cil cip cir cl- clc cld cle clf cli cll clp clr cpc cpd cpe cpf cpi cpl cpp cpr crc crd cre crf cri crl crp crr dcc dcd dce dcf dci dcl dcp dcr ddc ddd dde ddf ddi ddl ddp ddr de- dec ded dee def dei del dep der dfc dfd dfe dff dfi dfl dfp dfr di- dic did die dif dii dil dip dir dl- dlc dld dle dlf dli dll dlp dlr dpc dpd dpe dpf dpi dpl dpp dpr drc drd dre dri drl drp drr ec- ecc ecd ece ecf eci ecl ecr ed- edc edd ede edf edi edl edp edr eec eed eee eef eel eep eer ef- efc efd efe eff efi efl efp efr eic eid eie eif eii eil eip eir elc eld ele elf eli ell elp elr ep- epc epd epe epf epi epl epp epr erc erd ere erf eri erl erp err fcc fcd fce fcf fci fcl fcp fcr fdc fdd fde fdf fdi fdl fdp fdr fec fed fee fef fei fel fep fer ffc ffd ffe fff ffi ffl ffp ffr fic fid fie fif fii fil fip fir flc fld fle flf fli fll flp flr fpc fpd fpe fpi fpl fpp fpr frc frd fre frf fri frl frp frr i-d i-f icc icd ice icf ici icl icp icr idc idd ide idf idi idl idp idr ie- iec ied iee ief iei iel iep ier ifc ifd ife iff ifi ifl ifp ifr iic iid iie iif iii iil iip iir il- ilc ild ile ilf ili ill ilp ilr ipc ipd ipe ipf ipi ipl ipp ipr ir- irc ird ire irf iri irl irp irr l-p lcc lcd lce lcf lci lcl lcp lcr ldc ldd lde ldf ldi ldl ldp ldr lec led lee lef lei lel lep ler lfc lfd lfe lff lfi lfl lfp lfr lic lid lie lif lii lil lip lir llc lld lle llf lli lll llp llr lpc lpd lpe lpf lpi lpl lpp lpr lrc lrd lrf lri lrp lrr p-p pcc pcd pce pcf pci pcl pcp pcr pdc pdd pde pdf pdi pdl pdp pdr pec ped pee pef pei pel pep per pfc pfd pfe pff pfi pfl pfp pfr pic pid pie pif pii pil pip pir plc pld ple plf pli pll plp plr ppc ppd ppe ppf ppi ppl ppp ppr prc prd pre prf pri prl prp prr rcc rcd rce rcf rci rcl rcp rcr rdc rdd rde rdf rdi rdl rdp rdr re- rec red ree ref rei rel rep rer rfc rfd rfe rff rfi rfl rfp rfr ric rid rie rif rii ril rip rir rlc rld rle rlf rli rll rlp rlr rpc rpd rpe rpf rpi rpl rpp rpr rrc rrd rrf rri rrl rrp rrr