-er -ic c-- ccc ccd cce cci ccr ccs cct ccu ccz cdc cdd cde cdi cdr cds cdt cdu cdz ce- cec ced cee cei cer ces cet ceu cez ci- cic cid cie cii cir cis cit ciu crc crd cre cri crr crs crt cru crz csc csd cse csi csr css cst csu csz ctc ctd cte cti ctr cts ctt ctu ctz cuc cud cue cui cur cus cut cuu cuz cz- czc czd cze czt dcc dcd dce dci dcr dcs dct dcu ddc ddd dde ddi ddr dds ddt ddu ddz de- dec ded dee dei der des det deu dez di- dic did die dii dir dis dit diu diz drc drd dre dri drr drs drt dru drz dsc dsd dse dsi dsr dss dst dsu dsz dtc dtd dte dti dtr dts dtt dtu dtz duc dud due dui dur dus dut duz dzd dze dzi dzr dzs dzu ec- ecc ecd ece eci ecr ecs ect ecu ed- edc edd ede edi edr eds edt edu eec eed eee eer ees eet eic eid eie eii eir eis eit eiu erc erd ere eri err ers ert eru erz es- esc esd ese esi esr ess est esu etc etd ete eti etr ets ett etu etz eu- euc eud eue eui eur eus eut eze ezr ezs ezz i-d icc icd ice ici icr ics ict icu icz idc idd ide idi idr ids idt idu ie- iec ied iee iei ier ies iet iic iid iie iii iir iis iit iiu ir- irc ird ire iri irr irs irt iru is- isc isd ise isi isr iss ist isu itc itd ite iti its itt itu itz iu- iuc iud iue iui iur ius iut iuz ize izi izu izz rcc rcd rce rci rcr rcs rct rcu rdc rdd rde rdi rdr rds rdt rdu re- rec red ree rei rer res ret reu rez ric rid rie rii rir ris rit riz rrc rrd rri rrr rrs rrt rru rsc rsd rse rsi rsr rss rst rsu rtc rtd rte rti rtr rts rtt rtu rtz ruc rud rue rui rur rus rut ruu ruz rze scc scd sce sci scr scs sct scu sdc sdd sde sdi sdr sds sdt sdu sdz se- sec sed see sei ser ses set seu sez sic sid sie sii sir sis sit siu sr- src srd sre sri srr srs srt ss- ssc ssd sse ssi ssr sss sst ssu ssz stc std ste sti str sts stt stu stz suc sud sue sui sur sus sut suu suz szd sze szi szr szu tcc tcd tce tci tcr tcs tct tcu tdc tdd tde tdi tdr tds tdt tdu te- tec ted tee tei ter tes tet teu tez tic tid tie tii tir tis tit tiu tiz trc trd tre tri trr trs trt tru trz tsc tsd tse tsi tsr tss tst tsu ttc ttd tte tti ttr tts ttt ttu tuc tud tue tui tur tus tut tuu tuz tzd tze tzs tzu ucc ucd uce uci ucr ucs uct ucu udc udd ude udi udr uds udt udu uec ued uee uei uer ues uet uic uid uie uii uir uis uit uiu ur- urc urd ure uri urr urs urt uru urz usc usd use usi usr uss ust usu usz utc utd ute uti utr uts utt utu utz uuc uue uur uus uut uuu uzi uzu zce zcs zds zdt zec zed zee zer zes zet zez zid zie zir zis zit ziz zrs zse zsi zst zsu zsz zte ztr zuc zud zui zur zus zut zuz zzr zzs zzt zzz