-er -ic -ji c-- c-j ccc ccd cce cci ccj cck ccr cct cdc cdd cde cdi cdj cdk cdr cdt ce- cec ced cee cei cej cek cer cet ci- cic cid cie cii cij cik cir cit cjc cjd cjk cjr ckc ckd cki ckt crc crd cre cri crj crk crr crt ctc ctd cte cti ctk ctr ctt dcc dcd dce dci dck dcr dct ddc ddd dde ddi ddk ddr ddt de- dec ded dee dei dej dek der det di- dic did die dii dik dir dit dj- djc djd dje dji djk djt dkc dke dki dkk dkr dkt drc drd dre dri drj drk drr drt dtc dtd dte dti dtj dtk dtr dtt ec- ecc ecd ece eci ecj eck ecr ect ed- edc edd ede edi edj edk edr edt eec eed eee eek eer eet eic eid eie eii eij eik eir eit ejc ejd eji ejt ekc ekd eke eki ekr ekt erc erd ere eri erk err ert etc etd ete eti etj etk etr ett i-d icc icd ice ici icj ick icr ict idc idd ide idi idk idr idt ie- iec ied iee iei iej iek ier iet iic iid iie iii iij iir iit ijc ije iji ijk ijt ikc ike iki ikk ikr ikt ir- irc ird ire iri irj irk irr irt itc itd ite iti itj itk itt j-d j-i jcc jcd jce jci jck jcr jct jdc jde jdi jdr jdt jec jed jee jei jej jek jer jet jic jie jii jij jir jit jjc jjj jjk jjr jkk jkr jkt jrc jri jrk jrr jrt jtc jte jti jtk jtr jtt k-t kcc kcd kce kci kck kcr kct kdc kde kdk kdr kdt ke- kec ked kee kei kek ker ket kic kid kie kii kij kik kir kit kjc kje kji kjr kkc kke kki kkk kkr kkt krc krd kri krk krr krt ktc kte ktj ktk ktr ktt rcc rcd rce rci rcj rcr rct rdc rdd rde rdi rdj rdr rdt re- rec red ree rei rek rer ret ric rid rie rii rik rir rit rjc rjk rjr rkc rke rkk rkt rrc rrd rri rrk rrr rrt rtc rtd rte rti rtj rtk rtr rtt tcc tcd tce tci tcj tck tcr tct tdc tdd tde tdi tdk tdr tdt te- tec ted tee tei tej tek ter tet tic tid tie tii tik tir tit tjc tjd tje tji tjr tkc tke tkk tkr tkt trc trd tre tri trk trr trt ttc ttd tte tti ttk ttr ttt