-er -ic c-- ccc ccd cce cci ccl ccr cct ccv cdc cdd cde cdi cdl cdr cdt cdv ce- cec ced cee cei cel cer cet cev ci- cic cid cie cii cil cir cit civ cl- clc cld cle cli cll clr clt clv crc crd cre cri crl crr crt crv ctc ctd cte cti ctl ctr ctt ctv cvc cvd cve cvi cvl cvr cvt cvv dcc dcd dce dci dcl dcr dct dcv ddc ddd dde ddi ddl ddr ddt de- dec ded dee dei del der det dev di- dic did die dii dil dir dit div dl- dlc dld dle dli dll dlr dlt dlv drc drd dre dri drl drr drt drv dtc dtd dte dti dtl dtr dtt dtv dvc dvd dve dvi dvl dvr dvt ec- ecc ecd ece eci ecl ecr ect ecv ed- edc edd ede edi edl edr edt eec eed eee eel eer eet eev eic eid eie eii eil eir eit eiv elc eld ele eli ell elr elt elv erc erd ere eri erl err ert erv etc etd ete eti etl etr ett etv evc evd eve evi evl evr evt evv i-d i-v icc icd ice ici icl icr ict icv idc idd ide idi idl idr idt idv ie- iec ied iee iei iel ier iet iev iic iid iie iii iil iir iit il- ilc ild ile ili ill ilr ilt ilv ir- irc ird ire iri irl irr irt irv itc itd ite iti itl itt itv ivc ivd ive ivi ivl ivr ivt ivv lcc lcd lce lci lcl lcr lct lcv ldc ldd lde ldi ldl ldr ldt ldv lec led lee lei lel ler let lev lic lid lie lii lil lir lit liv llc lld lle lli lll llr llt llv lrc lrd lri lrr lrt lrv ltc ltd lte lti ltl ltr ltt ltv lvc lvd lve lvi lvl lvr lvt lvv rcc rcd rce rci rcl rcr rct rcv rdc rdd rde rdi rdl rdr rdt rdv re- rec red ree rei rel rer ret rev ric rid rie rii ril rir rit riv rlc rld rle rli rll rlr rlt rrc rrd rri rrl rrr rrt rtc rtd rte rti rtl rtr rtt rtv rvc rvd rve rvi rvl rvr rvt rvv tcc tcd tce tci tcl tcr tct tcv tdc tdd tde tdi tdl tdr tdt tdv te- tec ted tee tei tel ter tet tev tic tid tie tii til tir tit tiv tlc tld tle tli tll tlr tlt tlv trc trd tre tri trl trr trt trv ttc ttd tte tti ttl ttr ttt ttv tvc tvd tve tvi tvl tvr tvt v-e vcc vcd vce vci vcl vcr vct vdc vdd vde vdi vdl vdr vdt vdv vec ved vee vei vel ver vet vi- vic vid vie vii vil vir vit viv vl- vlc vld vle vll vlt vlv vrc vrd vre vri vrr vrt vtc vte vti vtl vtr vtt vtv vvc vvi vvr vvt vvv