-er -ic c-- ccc ccd cce cci ccl ccr ccs ccv cdc cdd cde cdi cdl cdr cds cdv ce- cec ced cee cei cel cer ces cev ci- cic cid cie cii cil cir cis civ cl- clc cld cle cli cll clr cls clv crc crd cre cri crl crr crs crv csc csd cse csi csl csr css csv cvc cvd cve cvi cvl cvr cvs cvv dcc dcd dce dci dcl dcr dcs dcv ddc ddd dde ddi ddl ddr dds de- dec ded dee dei del der des dev di- dic did die dii dil dir dis div dl- dlc dld dle dli dll dlr dls dlv drc drd dre dri drl drr drs drv dsc dsd dse dsi dsl dsr dss dsv dvc dvd dve dvi dvl dvr dvs ec- ecc ecd ece eci ecl ecr ecs ecv ed- edc edd ede edi edl edr eds eec eed eee eel eer ees eev eic eid eie eii eil eir eis eiv elc eld ele eli ell elr els elv erc erd ere eri erl err ers erv es- esc esd ese esi esl esr ess esv evc evd eve evi evl evr evs evv i-d i-v icc icd ice ici icl icr ics icv idc idd ide idi idl idr ids idv ie- iec ied iee iei iel ier ies iev iic iid iie iii iil iir iis il- ilc ild ile ili ill ilr ils ilv ir- irc ird ire iri irl irr irs irv is- isc isd ise isi isl isr iss isv ivc ivd ive ivi ivl ivr ivs ivv lcc lcd lce lci lcl lcr lcs lcv ldc ldd lde ldi ldl ldr lds ldv lec led lee lei lel ler les lev lic lid lie lii lil lir lis liv llc lld lle lli lll llr lls llv lrc lrd lri lrr lrs lrv lsc lsd lse lsi lsl lsr lss lsv lvc lvd lve lvi lvl lvr lvs lvv rcc rcd rce rci rcl rcr rcs rcv rdc rdd rde rdi rdl rdr rds rdv re- rec red ree rei rel rer res rev ric rid rie rii ril rir ris riv rlc rld rle rli rll rlr rls rrc rrd rri rrl rrr rrs rsc rsd rse rsi rsl rsr rss rsv rvc rvd rve rvi rvl rvr rvs rvv scc scd sce sci scl scr scs scv sdc sdd sde sdi sdl sdr sds sdv se- sec sed see sei sel ser ses sev sic sid sie sii sil sir sis siv slc sld sle sli sll slr sls slv sr- src srd sre sri srl srr srs srv ss- ssc ssd sse ssi ssl ssr sss ssv svc svd sve svi svl svr svs svv v-e vcc vcd vce vci vcl vcr vcs vdc vdd vde vdi vdl vdr vds vdv vec ved vee vei vel ver ves vi- vic vid vie vii vil vir vis viv vl- vlc vld vle vll vls vlv vrc vrd vre vri vrr vrs vsc vsd vse vsi vsl vsr vss vsv vvc vvi vvr vvs vvv