-er -ic -ji c-- c-j ccc ccd cce cci ccj ccr cct cdc cdd cde cdi cdj cdr cdt ce- cec ced cee cei cej cer cet ci- cic cid cie cii cij cir cit cjc cjd cjr crc crd cre cri crj crr crt ctc ctd cte cti ctr ctt dcc dcd dce dci dcr dct ddc ddd dde ddi ddr ddt de- dec ded dee dei dej der det di- dic did die dii dir dit dj- djc djd dje dji djt drc drd dre dri drj drr drt dtc dtd dte dti dtj dtr dtt ec- ecc ecd ece eci ecj ecr ect ed- edc edd ede edi edj edr edt eec eed eee eer eet eic eid eie eii eij eir eit ejc ejd eji ejt erc erd ere eri err ert etc etd ete eti etj etr ett i-d icc icd ice ici icj icr ict idc idd ide idi idr idt ie- iec ied iee iei iej ier iet iic iid iie iii iij iir iit ijc ije iji ijt ir- irc ird ire iri irj irr irt itc itd ite iti itj itt j-d j-i jcc jcd jce jci jcr jct jdc jde jdi jdr jdt jec jed jee jei jej jer jet jic jie jii jij jir jit jjc jjj jjr jrc jri jrr jrt jtc jte jti jtr jtt rcc rcd rce rci rcj rcr rct rdc rdd rde rdi rdj rdr rdt re- rec red ree rei rer ret ric rid rie rii rir rit rjc rjr rrc rrd rri rrr rrt rtc rtd rte rti rtj rtr rtt tcc tcd tce tci tcj tcr tct tdc tdd tde tdi tdr tdt te- tec ted tee tei tej ter tet tic tid tie tii tir tit tjc tjd tje tji tjr trc trd tre tri trr trt ttc ttd tte tti ttr ttt