-er -ic c-- ccc ccd cce cci ccl ccr cct ccu cdc cdd cde cdi cdl cdr cdt cdu ce- cec ced cee cei cel cer cet ceu ci- cic cid cie cii cil cir cit ciu cl- clc cld cle cli cll clr clt clu crc crd cre cri crl crr crt cru ctc ctd cte cti ctl ctr ctt ctu cuc cud cue cui cul cur cut cuu dcc dcd dce dci dcl dcr dct dcu ddc ddd dde ddi ddl ddr ddt ddu de- dec ded dee dei del der det deu di- dic did die dii dil dir dit diu dl- dlc dld dle dli dll dlr dlt dlu drc drd dre dri drl drr drt dru dtc dtd dte dti dtl dtr dtt dtu duc dud due dui dul dur dut ec- ecc ecd ece eci ecl ecr ect ecu ed- edc edd ede edi edl edr edt edu eec eed eee eel eer eet eic eid eie eii eil eir eit eiu elc eld ele eli ell elr elt elu erc erd ere eri erl err ert eru etc etd ete eti etl etr ett etu eu- euc eud eue eui eul eur eut i-d icc icd ice ici icl icr ict icu idc idd ide idi idl idr idt idu ie- iec ied iee iei iel ier iet iic iid iie iii iil iir iit iiu il- ilc ild ile ili ill ilr ilt ilu ir- irc ird ire iri irl irr irt iru itc itd ite iti itl itt itu iu- iuc iud iue iui iur iut lcc lcd lce lci lcl lcr lct lcu ldc ldd lde ldi ldl ldr ldt ldu lec led lee lei lel ler let leu lic lid lie lii lil lir lit liu llc lld lle lli lll llr llt llu lrc lrd lri lrr lrt lru ltc ltd lte lti ltl ltr ltt ltu luc lud lue lui lul lur lut luu rcc rcd rce rci rcl rcr rct rcu rdc rdd rde rdi rdl rdr rdt rdu re- rec red ree rei rel rer ret reu ric rid rie rii ril rir rit rlc rld rle rli rll rlr rlt rlu rrc rrd rri rrl rrr rrt rru rtc rtd rte rti rtl rtr rtt rtu ruc rud rue rui rur rut ruu tcc tcd tce tci tcl tcr tct tcu tdc tdd tde tdi tdl tdr tdt tdu te- tec ted tee tei tel ter tet teu tic tid tie tii til tir tit tiu tlc tld tle tli tll tlr tlt tlu trc trd tre tri trl trr trt tru ttc ttd tte tti ttl ttr ttt ttu tuc tud tue tui tul tur tut tuu ucc ucd uce uci ucl ucr uct ucu udc udd ude udi udl udr udt udu uec ued uee uei uel uer uet uic uid uie uii uil uir uit uiu ulc uld ule uli ull ulr ult ulu ur- urc urd ure uri url urr urt uru utc utd ute uti utl utr utt utu uuc uue uur uut uuu