-er -ic c-- ccc ccd cce cci ccn ccr cct ccz cdc cdd cde cdi cdn cdr cdt cdz ce- cec ced cee cei cen cer cet cez ci- cic cid cie cii cin cir cit cn- cnc cnd cne cni cnn cnr cnt crc crd cre cri crn crr crt crz ctc ctd cte cti ctn ctr ctt ctz cz- czc czd cze czt dcc dcd dce dci dcn dcr dct ddc ddd dde ddi ddn ddr ddt ddz de- dec ded dee dei den der det dez di- dic did die dii din dir dit diz dnc dnd dne dni dnn dnr dnt dnz drc drd dre dri drn drr drt drz dtc dtd dte dti dtn dtr dtt dtz dzd dze dzi dzr ec- ecc ecd ece eci ecn ecr ect ed- edc edd ede edi edn edr edt eec eed eee een eer eet eic eid eie eii ein eir eit en- enc end ene eni enn enr ent enz erc erd ere eri ern err ert erz etc etd ete eti etn etr ett etz eze ezr ezz i-d icc icd ice ici icn icr ict icz idc idd ide idi idn idr idt ie- iec ied iee iei ien ier iet iic iid iie iii iin iir iit in- inc ind ine ini inn inr int ir- irc ird ire iri irn irr irt itc itd ite iti itn itt itz ize izi izz n-i ncc ncd nce nci ncn ncr nct ndc ndd nde ndi ndn ndr ndt ne- nec ned nee nei nen ner net nez nic nid nie nii nin nir nit niz nnc nne nni nnn nnt nnz nrc nrd nre nri nrn nrr nrt nrz ntc ntd nte nti ntn ntr ntt ntz nzd nze nzi nzz rcc rcd rce rci rcn rcr rct rdc rdd rde rdi rdn rdr rdt re- rec red ree rei ren rer ret rez ric rid rie rii rin rir rit riz rnc rnd rni rnn rnr rnt rnz rrc rrd rri rrn rrr rrt rtc rtd rte rti rtn rtr rtt rtz rze tcc tcd tce tci tcn tcr tct tdc tdd tde tdi tdn tdr tdt te- tec ted tee tei ten ter tet tez tic tid tie tii tin tir tit tiz tnc tnd tne tni tnn tnr tnt tnz trc trd tre tri trn trr trt trz ttc ttd tte tti ttn ttr ttt tzd tze zce zdt zec zed zee zen zer zet zez zid zie zin zir zit ziz znc znd zne znn zte ztr zzr zzt zzz