-er -ic c-- ccc cce cci ccl ccr ccs cct ccu ce- cec cee cei cel cer ces cet ceu ci- cic cie cii cil cir cis cit ciu cl- clc cle cli cll clr cls clt clu crc cre cri crl crr crs crt cru csc cse csi csl csr css cst csu ctc cte cti ctl ctr cts ctt ctu cuc cue cui cul cur cus cut cuu ec- ecc ece eci ecl ecr ecs ect ecu eec eee eel eer ees eet eic eie eii eil eir eis eit eiu elc ele eli ell elr els elt elu erc ere eri erl err ers ert eru es- esc ese esi esl esr ess est esu etc ete eti etl etr ets ett etu eu- euc eue eui eul eur eus eut icc ice ici icl icr ics ict icu ie- iec iee iei iel ier ies iet iic iie iii iil iir iis iit iiu il- ilc ile ili ill ilr ils ilt ilu ir- irc ire iri irl irr irs irt iru is- isc ise isi isl isr iss ist isu itc ite iti itl its itt itu iu- iuc iue iui iur ius iut lcc lce lci lcl lcr lcs lct lcu lec lee lei lel ler les let leu lic lie lii lil lir lis lit liu llc lle lli lll llr lls llt llu lrc lri lrr lrs lrt lru lsc lse lsi lsl lsr lss lst lsu ltc lte lti ltl ltr lts ltt ltu luc lue lui lul lur lus lut luu rcc rce rci rcl rcr rcs rct rcu re- rec ree rei rel rer res ret reu ric rie rii ril rir ris rit rlc rle rli rll rlr rls rlt rlu rrc rri rrl rrr rrs rrt rru rsc rse rsi rsl rsr rss rst rsu rtc rte rti rtl rtr rts rtt rtu ruc rue rui rur rus rut ruu scc sce sci scl scr scs sct scu se- sec see sei sel ser ses set seu sic sie sii sil sir sis sit siu slc sle sli sll slr sls slt slu sr- src sre sri srl srr srs srt ss- ssc sse ssi ssl ssr sss sst ssu stc ste sti stl str sts stt stu suc sue sui sul sur sus sut suu tcc tce tci tcl tcr tcs tct tcu te- tec tee tei tel ter tes tet teu tic tie tii til tir tis tit tiu tlc tle tli tll tlr tls tlt tlu trc tre tri trl trr trs trt tru tsc tse tsi tsl tsr tss tst tsu ttc tte tti ttl ttr tts ttt ttu tuc tue tui tul tur tus tut tuu ucc uce uci ucl ucr ucs uct ucu uec uee uei uel uer ues uet uic uie uii uil uir uis uit uiu ulc ule uli ull ulr uls ult ulu ur- urc ure uri url urr urs urt uru usc use usi usl usr uss ust usu utc ute uti utl utr uts utt utu uuc uue uur uus uut uuu