-er -ic c-- ccc cce ccf cci ccl ccr cct ce- cec cee cef cei cel cer cet cfc cfe cff cfi cfl cfr cft ci- cic cie cif cii cil cir cit cl- clc cle clf cli cll clr clt crc cre crf cri crl crr crt ctc cte ctf cti ctl ctr ctt ec- ecc ece ecf eci ecl ecr ect eec eee eef eel eer eet ef- efc efe eff efi efl efr eft eic eie eif eii eil eir eit elc ele elf eli ell elr elt erc ere erf eri erl err ert etc ete etf eti etl etr ett fcc fce fcf fci fcl fcr fct fec fee fef fei fel fer fet ffc ffe fff ffi ffl ffr fft fic fie fif fii fil fir fit flc fle flf fli fll flr flt frc fre frf fri frl frr frt ftc fte ftf fti ftl ftr ftt i-f icc ice icf ici icl icr ict ie- iec iee ief iei iel ier iet ifc ife iff ifi ifl ifr ift iic iie iif iii iil iir iit il- ilc ile ilf ili ill ilr ilt ir- irc ire irf iri irl irr irt itc ite itf iti itl itt lcc lce lcf lci lcl lcr lct lec lee lef lei lel ler let lfc lfe lff lfi lfl lfr lft lic lie lif lii lil lir lit llc lle llf lli lll llr llt lrc lrf lri lrr lrt ltc lte ltf lti ltl ltr ltt rcc rce rcf rci rcl rcr rct re- rec ree ref rei rel rer ret rfc rfe rff rfi rfl rfr rft ric rie rif rii ril rir rit rlc rle rlf rli rll rlr rlt rrc rrf rri rrl rrr rrt rtc rte rtf rti rtl rtr rtt tcc tce tcf tci tcl tcr tct te- tec tee tef tei tel ter tet tfc tfe tff tfi tfl tfr tft tic tie tif tii til tir tit tlc tle tlf tli tll tlr tlt trc tre trf tri trl trr trt ttc tte ttf tti ttl ttr ttt