-er -ic c-- ccc cce cci ccl ccr cct ce- cec cee cei cel cer cet ci- cic cie cii cil cir cit cl- clc cle cli cll clr clt crc cre cri crl crr crt ctc cte cti ctl ctr ctt ec- ecc ece eci ecl ecr ect eec eee eel eer eet eic eie eii eil eir eit elc ele eli ell elr elt erc ere eri erl err ert etc ete eti etl etr ett icc ice ici icl icr ict ie- iec iee iei iel ier iet iic iie iii iil iir iit il- ilc ile ili ill ilr ilt ir- irc ire iri irl irr irt itc ite iti itl itt lcc lce lci lcl lcr lct lec lee lei lel ler let lic lie lii lil lir lit llc lle lli lll llr llt lrc lri lrr lrt ltc lte lti ltl ltr ltt rcc rce rci rcl rcr rct re- rec ree rei rel rer ret ric rie rii ril rir rit rlc rle rli rll rlr rlt rrc rri rrl rrr rrt rtc rte rti rtl rtr rtt tcc tce tci tcl tcr tct te- tec tee tei tel ter tet tic tie tii til tir tit tlc tle tli tll tlr tlt trc tre tri trl trr trt ttc tte tti ttl ttr ttt