-er -ic -ji c-- c-j ccc cce cci ccj ccr ccs cct ccu ce- cec cee cei cej cer ces cet ceu ci- cic cie cii cij cir cis cit ciu cjc cjr cjs crc cre cri crj crr crs crt cru csc cse csi csj csr css cst csu ctc cte cti ctr cts ctt ctu cuc cue cui cur cus cut cuu ec- ecc ece eci ecj ecr ecs ect ecu eec eee eer ees eet eic eie eii eij eir eis eit eiu ejc eji ejt eju erc ere eri err ers ert eru es- esc ese esi esr ess est esu etc ete eti etj etr ets ett etu eu- euc eue eui euj eur eus eut icc ice ici icj icr ics ict icu ie- iec iee iei iej ier ies iet iic iie iii iij iir iis iit iiu ijc ije iji ijs ijt iju ir- irc ire iri irj irr irs irt iru is- isc ise isi isj isr iss ist isu itc ite iti itj its itt itu iu- iuc iue iui iur ius iut j-i jcc jce jci jcr jcs jct jcu jec jee jei jej jer jes jet jeu jic jie jii jij jir jis jit jiu jjc jjj jjr jjs jju jrc jri jrr jrs jrt jsc jse jsi jsj jsr jss jst jsu jtc jte jti jtr jts jtt jtu jue jui jur jus jut rcc rce rci rcj rcr rcs rct rcu re- rec ree rei rer res ret reu ric rie rii rir ris rit rjc rjr rrc rri rrr rrs rrt rru rsc rse rsi rsj rsr rss rst rsu rtc rte rti rtj rtr rts rtt rtu ruc rue rui rur rus rut ruu scc sce sci scj scr scs sct scu se- sec see sei sej ser ses set seu sic sie sii sij sir sis sit siu sjc sje sji sjj sjr sjs sjt sju sr- src sre sri srj srr srs srt ss- ssc sse ssi ssj ssr sss sst ssu stc ste sti stj str sts stt stu suc sue sui sur sus sut suu tcc tce tci tcj tcr tcs tct tcu te- tec tee tei tej ter tes tet teu tic tie tii tir tis tit tiu tjc tje tji tjr tjs tju trc tre tri trr trs trt tru tsc tse tsi tsj tsr tss tst tsu ttc tte tti ttr tts ttt ttu tuc tue tui tuj tur tus tut tuu ucc uce uci ucj ucr ucs uct ucu uec uee uei uer ues uet uic uie uii uir uis uit uiu ujc uji ujs ur- urc ure uri urr urs urt uru usc use usi usj usr uss ust usu utc ute uti utj utr uts utt utu uuc uue uur uus uut uuu