-er -ic c-- ccc cce ccf cci ccl ccr ccv ce- cec cee cef cei cel cer cev cfc cfe cff cfi cfl cfr cfv ci- cic cie cif cii cil cir civ cl- clc cle clf cli cll clr clv crc cre crf cri crl crr crv cvc cve cvf cvi cvl cvr cvv ec- ecc ece ecf eci ecl ecr ecv eec eee eef eel eer eev ef- efc efe eff efi efl efr eic eie eif eii eil eir eiv elc ele elf eli ell elr elv erc ere erf eri erl err erv evc eve evf evi evl evr evv fcc fce fcf fci fcl fcr fcv fec fee fef fei fel fer fev ffc ffe fff ffi ffl ffr ffv fic fie fif fii fil fir flc fle flf fli fll flr frc fre frf fri frl frr fvc i-f i-v icc ice icf ici icl icr icv ie- iec iee ief iei iel ier iev ifc ife iff ifi ifl ifr iic iie iif iii iil iir il- ilc ile ilf ili ill ilr ilv ir- irc ire irf iri irl irr irv ivc ive ivf ivi ivl ivr ivv lcc lce lcf lci lcl lcr lcv lec lee lef lei lel ler lev lfc lfe lff lfi lfl lfr lic lie lif lii lil lir liv llc lle llf lli lll llr llv lrc lrf lri lrr lrv lvc lve lvf lvi lvl lvr lvv rcc rce rcf rci rcl rcr rcv re- rec ree ref rei rel rer rev rfc rfe rff rfi rfl rfr rfv ric rie rif rii ril rir riv rlc rle rlf rli rll rlr rrc rrf rri rrl rrr rvc rve rvf rvi rvl rvr rvv v-e vcc vce vcf vci vcl vcr vec vee vef vei vel ver vfc vff vfi vfl vfr vfv vi- vic vie vif vii vil vir viv vl- vlc vle vlf vll vlv vrc vre vrf vri vrr vvc vvi vvr vvv