-er -ic c-- ccc ccd cce cci cck ccr cct ccz cdc cdd cde cdi cdk cdr cdt cdz ce- cec ced cee cei cek cer cet cez ci- cic cid cie cii cik cir cit ckc ckd cki ckt crc crd cre cri crk crr crt crz ctc ctd cte cti ctk ctr ctt ctz cz- czc czd cze czk czt dcc dcd dce dci dck dcr dct ddc ddd dde ddi ddk ddr ddt ddz de- dec ded dee dei dek der det dez di- dic did die dii dik dir dit diz dkc dke dki dkk dkr dkt drc drd dre dri drk drr drt drz dtc dtd dte dti dtk dtr dtt dtz dzd dze dzi dzr ec- ecc ecd ece eci eck ecr ect ed- edc edd ede edi edk edr edt eec eed eee eek eer eet eic eid eie eii eik eir eit ekc ekd eke eki ekr ekt erc erd ere eri erk err ert erz etc etd ete eti etk etr ett etz eze ezr ezz i-d icc icd ice ici ick icr ict icz idc idd ide idi idk idr idt ie- iec ied iee iei iek ier iet iic iid iie iii iir iit ikc ike iki ikk ikr ikt ir- irc ird ire iri irk irr irt itc itd ite iti itk itt itz ize izi izz k-t k-z kcc kcd kce kci kck kcr kct kdc kde kdk kdr kdt ke- kec ked kee kei kek ker ket kez kic kid kie kii kik kir kit kiz kkc kke kki kkk kkr kkt krc krd kri krk krr krt ktc kte ktk ktr ktt rcc rcd rce rci rcr rct rdc rdd rde rdi rdr rdt re- rec red ree rei rek rer ret rez ric rid rie rii rik rir rit riz rkc rke rkk rkt rkz rrc rrd rri rrk rrr rrt rtc rtd rte rti rtk rtr rtt rtz rze tcc tcd tce tci tck tcr tct tdc tdd tde tdi tdk tdr tdt te- tec ted tee tei tek ter tet tez tic tid tie tii tik tir tit tiz tkc tke tkk tkr tkt tkz trc trd tre tri trk trr trt trz ttc ttd tte tti ttk ttr ttt tzd tze zce zdt zec zed zee zek zer zet zez zid zie zik zir zit ziz zte ztr zzr zzt zzz