-er -ic c-- ccc cce ccf cci ccl ccr ce- cec cee cef cei cel cer cfc cfe cff cfi cfl cfr ci- cic cie cif cii cil cir cl- clc cle clf cli cll clr crc cre crf cri crl crr ec- ecc ece ecf eci ecl ecr eec eee eef eel eer ef- efc efe eff efi efl efr eic eie eif eii eil eir elc ele elf eli ell elr erc ere erf eri erl err fcc fce fcf fci fcl fcr fec fee fef fei fel fer ffc ffe fff ffi ffl ffr fic fie fif fii fil fir flc fle flf fli fll flr frc fre frf fri frl frr i-f icc ice icf ici icl icr ie- iec iee ief iei iel ier ifc ife iff ifi ifl ifr iic iie iif iii iil iir il- ilc ile ilf ili ill ilr ir- irc ire irf iri irl irr lcc lce lcf lci lcl lcr lec lee lef lei lel ler lfc lfe lff lfi lfl lfr lic lie lif lii lil lir llc lle llf lli lll llr lrc lrf lri lrr rcc rce rcf rci rcl rcr re- rec ree ref rei rel rer rfc rfe rff rfi rfl rfr ric rie rif rii ril rir rlc rle rlf rli rll rlr rrc rrf rri rrl rrr