-er -ic c-- ccc ccd cce cci ccr cct ccu ccz cdc cdd cde cdi cdr cdt cdu cdz ce- cec ced cee cei cer cet ceu cez ci- cic cid cie cii cir cit ciu crc crd cre cri crr crt cru crz ctc ctd cte cti ctr ctt ctu ctz cuc cud cue cui cur cut cuu cuz cz- czc czd cze czt dcc dcd dce dci dcr dct dcu ddc ddd dde ddi ddr ddt ddu ddz de- dec ded dee dei der det deu dez di- dic did die dii dir dit diu diz drc drd dre dri drr drt dru drz dtc dtd dte dti dtr dtt dtu dtz duc dud due dui dur dut duz dzd dze dzi dzr dzu ec- ecc ecd ece eci ecr ect ecu ed- edc edd ede edi edr edt edu eec eed eee eer eet eic eid eie eii eir eit eiu erc erd ere eri err ert eru erz etc etd ete eti etr ett etu etz eu- euc eud eue eui eur eut eze ezr ezz i-d icc icd ice ici icr ict icu icz idc idd ide idi idr idt idu ie- iec ied iee iei ier iet iic iid iie iii iir iit iiu ir- irc ird ire iri irr irt iru itc itd ite iti itt itu itz iu- iuc iud iue iui iur iut iuz ize izi izu izz rcc rcd rce rci rcr rct rcu rdc rdd rde rdi rdr rdt rdu re- rec red ree rei rer ret reu rez ric rid rie rii rir rit riz rrc rrd rri rrr rrt rru rtc rtd rte rti rtr rtt rtu rtz ruc rud rue rui rur rut ruu ruz rze tcc tcd tce tci tcr tct tcu tdc tdd tde tdi tdr tdt tdu te- tec ted tee tei ter tet teu tez tic tid tie tii tir tit tiu tiz trc trd tre tri trr trt tru trz ttc ttd tte tti ttr ttt ttu tuc tud tue tui tur tut tuu tuz tzd tze tzu ucc ucd uce uci ucr uct ucu udc udd ude udi udr udt udu uec ued uee uei uer uet uic uid uie uii uir uit uiu ur- urc urd ure uri urr urt uru urz utc utd ute uti utr utt utu utz uuc uue uur uut uuu uzi uzu zce zdt zec zed zee zer zet zez zid zie zir zit ziz zte ztr zuc zud zui zur zut zuz zzr zzt zzz