-er -ic c-- ccc cce ccf cci ccn ccr ccz ce- cec cee cef cei cen cer cez cfc cfe cff cfi cfn cfr cfz ci- cic cie cif cii cin cir cn- cnc cne cnf cni cnn cnr crc cre crf cri crn crr crz cz- czc cze ec- ecc ece ecf eci ecn ecr eec eee eef een eer ef- efc efe eff efi efr eic eie eif eii ein eir en- enc ene enf eni enn enr enz erc ere erf eri ern err erz eze ezf ezr ezz fcc fce fcf fci fcn fcr fcz fec fee fef fei fen fer fez ffc ffe fff ffi ffn ffr ffz fic fie fif fii fin fir fiz fnc fne fnf fni fnn fnr fnz frc fre frf fri frn frr i-f icc ice icf ici icn icr icz ie- iec iee ief iei ien ier ifc ife iff ifi ifn ifr ifz iic iie iif iii iin iir in- inc ine inf ini inn inr ir- irc ire irf iri irn irr ize izi izz n-i ncc nce ncf nci ncn ncr ne- nec nee nef nei nen ner nez nfc nfe nff nfi nfn nfr nic nie nif nii nin nir niz nnc nne nnf nni nnn nnz nrc nre nrf nri nrn nrr nrz nze nzf nzi nzz rcc rce rcf rci rcn rcr re- rec ree ref rei ren rer rez rfc rfe rff rfi rfn rfr rfz ric rie rif rii rin rir riz rnc rni rnn rnr rnz rrc rrf rri rrn rrr rze zce zec zee zef zen zer zez zfc zfn zfr zie zif zin zir ziz znc zne znn zzr zzz