-er -ic c-- ccc cce ccf cci ccn cco ccr ce- cec cee cef cei cen ceo cer cfc cfe cff cfi cfn cfo cfr ci- cic cie cif cii cin cio cir cn- cnc cne cnf cni cnn cno cnr co- coc coe cof coi con coo cor crc cre crf cri crn cro crr ec- ecc ece ecf eci ecn eco ecr eec eee eef een eeo eer ef- efc efe eff efi efo efr eic eie eif eii ein eio eir en- enc ene enf eni enn eno enr eo- eoc eoe eof eoi eon eoo eor erc ere erf eri ern ero err fcc fce fcf fci fcn fco fcr fec fee fef fei fen feo fer ffc ffe fff ffi ffn ffo ffr fic fie fif fii fin fir fnc fne fnf fni fnn fnr foc foe fof foi fon foo for frc fre frf fri frn fro frr i-f icc ice icf ici icn ico icr ie- iec iee ief iei ien ier ifc ife iff ifi ifn ifo ifr iic iie iif iii iin iio iir in- inc ine inf ini inn ino inr io- ioc ioe iof ioi ion ioo ior ir- irc ire irf iri irn iro irr n-i ncc nce ncf nci ncn nco ncr ne- nec nee nef nei nen neo ner nfc nfe nff nfi nfn nfo nfr nic nie nif nii nin nio nir nnc nne nnf nni nnn nno no- noc noe nof noi non noo nor nrc nre nrf nri nrn nro nrr o-i oc- occ ocf oci ocn oco ocr oec oee oef oei oen oeo oer of- ofc ofe off ofi ofn ofo ofr oic oie oif oii oin oio oir on- onc one onf oni onn ono onr oo- ooc oof ooi oon ooo oor or- orc ore orf ori orn oro orr rcc rce rcf rci rcn rco rcr re- rec ree ref rei ren reo rer rfc rfe rff rfi rfn rfo rfr ric rie rif rii rin rio rir rnc rni rnn rno rnr roc roe rof roi ron roo ror rrc rrf rri rrn rrr