-er -ic c-- ccc cce cci ccl ccr ccs ccu ce- cec cee cei cel ceq cer ces ceu ci- cic cie cii cil ciq cir cis ciu cl- clc cle cli cll clr cls clu cqc cqi cql cqs crc cre cri crl crq crr crs cru csc cse csi csl csq csr css csu cuc cue cui cul cuq cur cus cuu ec- ecc ece eci ecl ecq ecr ecs ecu eec eee eel eer ees eic eie eii eil eir eis eiu elc ele eli ell elr els elu eqe eqq eqs equ erc ere eri erl erq err ers eru es- esc ese esi esl esq esr ess esu eu- euc eue eui eul eur eus icc ice ici icl icq icr ics icu ie- iec iee iei iel ier ies iic iie iii iil iir iis iiu il- ilc ile ili ill ilq ilr ils ilu iqc iqe iqs iqu ir- irc ire iri irl irq irr irs iru is- isc ise isi isl isq isr iss isu iu- iuc iue iui iur ius lcc lce lci lcl lcq lcr lcs lcu lec lee lei lel leq ler les leu lic lie lii lil liq lir lis liu llc lle lli lll llq llr lls llu lqr lrc lri lrr lrs lru lsc lse lsi lsl lsq lsr lss lsu luc lue lui lul lur lus luu qcc qci qcl qcs qec qee qic qie qil qir qis qiu qls qqq qqu qrc qre qri qrl qrs qru qsc qsi qsl qsr qu- que qui qul qur qus rcc rce rci rcl rcr rcs rcu re- rec ree rei rel req rer res reu ric rie rii ril riq rir ris rlc rle rli rll rlr rls rlu rqc rqs rrc rri rrl rrq rrr rrs rru rsc rse rsi rsl rsq rsr rss rsu ruc rue rui rur rus ruu scc sce sci scl scr scs scu se- sec see sei sel seq ser ses seu sic sie sii sil siq sir sis siu slc sle sli sll slq slr sls slu sqi sql sqq sqr sqs sr- src sre sri srl srq srr srs ss- ssc sse ssi ssl ssq ssr sss ssu suc sue sui sul suq sur sus suu ucc uce uci ucl ucr ucs ucu uec uee uei uel uer ues uic uie uii uil uiq uir uis uiu ulc ule uli ull ulr uls ulu ur- urc ure uri url urr urs uru usc use usi usl usr uss usu uuc uue uur uus uuu