-er -ic c-- ccc ccd cce cci ccl ccr ccv cdc cdd cde cdi cdl cdr cdv ce- cec ced cee cei cel cer cev ci- cic cid cie cii cil cir civ cl- clc cld cle cli cll clr clv crc crd cre cri crl crr crv cvc cvd cve cvi cvl cvr cvv dcc dcd dce dci dcl dcr dcv ddc ddd dde ddi ddl ddr de- dec ded dee dei del der dev di- dic did die dii dil dir div dl- dlc dld dle dli dll dlr dlv drc drd dre dri drl drr drv dvc dvd dve dvi dvl dvr ec- ecc ecd ece eci ecl ecr ecv ed- edc edd ede edi edl edr eec eed eee eel eer eev eic eid eie eii eil eir eiv elc eld ele eli ell elr elv erc erd ere eri erl err erv evc evd eve evi evl evr evv i-d i-v icc icd ice ici icl icr icv idc idd ide idi idl idr idv ie- iec ied iee iei iel ier iev iic iid iie iii iil iir il- ilc ild ile ili ill ilr ilv ir- irc ird ire iri irl irr irv ivc ivd ive ivi ivl ivr ivv lcc lcd lce lci lcl lcr lcv ldc ldd lde ldi ldl ldr ldv lec led lee lei lel ler lev lic lid lie lii lil lir liv llc lld lle lli lll llr llv lrc lrd lri lrr lrv lvc lvd lve lvi lvl lvr lvv rcc rcd rce rci rcl rcr rcv rdc rdd rde rdi rdl rdr rdv re- rec red ree rei rel rer rev ric rid rie rii ril rir riv rlc rld rle rli rll rlr rrc rrd rri rrl rrr rvc rvd rve rvi rvl rvr rvv v-e vcc vcd vce vci vcl vcr vdc vdd vde vdi vdl vdr vdv vec ved vee vei vel ver vi- vic vid vie vii vil vir viv vl- vlc vld vle vll vlv vrc vrd vre vri vrr vvc vvi vvr vvv