-er -ic c-- ccc cce cci ccr ccs cct ccu ccz ce- cec cee cei cer ces cet ceu cez ci- cic cie cii cir cis cit ciu crc cre cri crr crs crt cru crz csc cse csi csr css cst csu csz ctc cte cti ctr cts ctt ctu ctz cuc cue cui cur cus cut cuu cuz cz- czc cze czt ec- ecc ece eci ecr ecs ect ecu eec eee eer ees eet eic eie eii eir eis eit eiu erc ere eri err ers ert eru erz es- esc ese esi esr ess est esu etc ete eti etr ets ett etu etz eu- euc eue eui eur eus eut eze ezr ezs ezz icc ice ici icr ics ict icu icz ie- iec iee iei ier ies iet iic iie iii iir iis iit iiu ir- irc ire iri irr irs irt iru is- isc ise isi isr iss ist isu itc ite iti its itt itu itz iu- iuc iue iui iur ius iut iuz ize izi izu izz rcc rce rci rcr rcs rct rcu re- rec ree rei rer res ret reu rez ric rie rii rir ris rit riz rrc rri rrr rrs rrt rru rsc rse rsi rsr rss rst rsu rtc rte rti rtr rts rtt rtu rtz ruc rue rui rur rus rut ruu ruz rze scc sce sci scr scs sct scu se- sec see sei ser ses set seu sez sic sie sii sir sis sit siu sr- src sre sri srr srs srt ss- ssc sse ssi ssr sss sst ssu ssz stc ste sti str sts stt stu stz suc sue sui sur sus sut suu suz sze szi szr szu tcc tce tci tcr tcs tct tcu te- tec tee tei ter tes tet teu tez tic tie tii tir tis tit tiu tiz trc tre tri trr trs trt tru trz tsc tse tsi tsr tss tst tsu ttc tte tti ttr tts ttt ttu tuc tue tui tur tus tut tuu tuz tze tzs tzu ucc uce uci ucr ucs uct ucu uec uee uei uer ues uet uic uie uii uir uis uit uiu ur- urc ure uri urr urs urt uru urz usc use usi usr uss ust usu usz utc ute uti utr uts utt utu utz uuc uue uur uus uut uuu uzi uzu zce zcs zec zee zer zes zet zez zie zir zis zit ziz zrs zse zsi zst zsu zsz zte ztr zuc zui zur zus zut zuz zzr zzs zzt zzz