-er c-- ccc cce ccl ccr ccs ccu ce- cec cee cel ceq cer ces ceu cl- clc cle cll clr cls clu cqc cql cqs crc cre crl crq crr crs cru csc cse csl csq csr css csu cuc cue cul cuq cur cus cuu ec- ecc ece ecl ecq ecr ecs ecu eec eee eel eer ees elc ele ell elr els elu eqe eqq eqs equ erc ere erl erq err ers eru es- esc ese esl esq esr ess esu eu- euc eue eul eur eus lcc lce lcl lcq lcr lcs lcu lec lee lel leq ler les leu llc lle lll llq llr lls llu lqr lrc lrr lrs lru lsc lse lsl lsq lsr lss lsu luc lue lul lur lus luu qcc qcl qcs qec qee qls qqq qqu qrc qre qrl qrs qru qsc qsl qsr qu- que qul qur qus rcc rce rcl rcr rcs rcu re- rec ree rel req rer res reu rlc rle rll rlr rls rlu rqc rqs rrc rrl rrq rrr rrs rru rsc rse rsl rsq rsr rss rsu ruc rue rur rus ruu scc sce scl scr scs scu se- sec see sel seq ser ses seu slc sle sll slq slr sls slu sql sqq sqr sqs sr- src sre srl srq srr srs ss- ssc sse ssl ssq ssr sss ssu suc sue sul suq sur sus suu ucc uce ucl ucr ucs ucu uec uee uel uer ues ulc ule ull ulr uls ulu ur- urc ure url urr urs uru usc use usl usr uss usu uuc uue uur uus uuu