-er -ic c-- ccc ccd cce cci ccl ccr cct cdc cdd cde cdi cdl cdr cdt ce- cec ced cee cei cel cer cet ci- cic cid cie cii cil cir cit cl- clc cld cle cli cll clr clt crc crd cre cri crl crr crt ctc ctd cte cti ctl ctr ctt dcc dcd dce dci dcl dcr dct ddc ddd dde ddi ddl ddr ddt de- dec ded dee dei del der det di- dic did die dii dil dir dit dl- dlc dld dle dli dll dlr dlt drc drd dre dri drl drr drt dtc dtd dte dti dtl dtr dtt ec- ecc ecd ece eci ecl ecr ect ed- edc edd ede edi edl edr edt eec eed eee eel eer eet eic eid eie eii eil eir eit elc eld ele eli ell elr elt erc erd ere eri erl err ert etc etd ete eti etl etr ett i-d icc icd ice ici icl icr ict idc idd ide idi idl idr idt ie- iec ied iee iei iel ier iet iic iid iie iii iil iir iit il- ilc ild ile ili ill ilr ilt ir- irc ird ire iri irl irr irt itc itd ite iti itl itt lcc lcd lce lci lcl lcr lct ldc ldd lde ldi ldl ldr ldt lec led lee lei lel ler let lic lid lie lii lil lir lit llc lld lle lli lll llr llt lrc lrd lri lrr lrt ltc ltd lte lti ltl ltr ltt rcc rcd rce rci rcl rcr rct rdc rdd rde rdi rdl rdr rdt re- rec red ree rei rel rer ret ric rid rie rii ril rir rit rlc rld rle rli rll rlr rlt rrc rrd rri rrl rrr rrt rtc rtd rte rti rtl rtr rtt tcc tcd tce tci tcl tcr tct tdc tdd tde tdi tdl tdr tdt te- tec ted tee tei tel ter tet tic tid tie tii til tir tit tlc tld tle tli tll tlr tlt trc trd tre tri trl trr trt ttc ttd tte tti ttl ttr ttt