-er -ic -ol c-- ccc cce ccf cci ccl cco ccr ce- cec cee cef cei cel ceo cer cfc cfe cff cfi cfl cfo cfr ci- cic cie cif cii cil cio cir cl- clc cle clf cli cll clo clr co- coc coe cof coi col coo cor crc cre crf cri crl cro crr ec- ecc ece ecf eci ecl eco ecr eec eee eef eel eeo eer ef- efc efe eff efi efl efo efr eic eie eif eii eil eio eir elc ele elf eli ell elo elr eo- eoc eoe eof eoi eol eoo eor erc ere erf eri erl ero err fcc fce fcf fci fcl fco fcr fec fee fef fei fel feo fer ffc ffe fff ffi ffl ffo ffr fic fie fif fii fil fir flc fle flf fli fll flo flr foc foe fof foi fol foo for frc fre frf fri frl fro frr i-f icc ice icf ici icl ico icr ie- iec iee ief iei iel ier ifc ife iff ifi ifl ifo ifr iic iie iif iii iil iio iir il- ilc ile ilf ili ill ilo ilr io- ioc ioe iof ioi iol ioo ior ir- irc ire irf iri irl iro irr lcc lce lcf lci lcl lco lcr lec lee lef lei lel leo ler lfc lfe lff lfi lfl lfo lfr lic lie lif lii lil lio lir llc lle llf lli lll llo llr loc loe lof loi lol loo lor lrc lrf lri lro lrr o-i oc- occ ocf oci ocl oco ocr oec oee oef oei oel oeo oer of- ofc ofe off ofi ofl ofo ofr oic oie oif oii oil oio oir olc ole olf oli oll olo oo- ooc oof ooi ool ooo oor or- orc ore orf ori orl oro orr rcc rce rcf rci rcl rco rcr re- rec ree ref rei rel reo rer rfc rfe rff rfi rfl rfo rfr ric rie rif rii ril rio rir rlc rle rlf rli rll rlo rlr roc roe rof roi rol roo ror rrc rrf rri rrl rrr