-er -ic bbb bbc bbe bbf bbi bbn bbr bbt bcb bcc bce bcf bci bcn bcr bct be- beb bec bee bef bei ben ber bet bfb bfc bfe bff bfi bfn bfr bft bi- bib bic bie bif bii bin bir bit bnb bnc bne bnf bni bnn bnr bnt brb bre brf bri brn brr brt btb btc bte btf bti btn btr btt c-- cbb cbc cbe cbf cbi cbn cbr cbt ccb ccc cce ccf cci ccn ccr cct ce- ceb cec cee cef cei cen cer cet cfb cfc cfe cff cfi cfn cfr cft ci- cib cic cie cif cii cin cir cit cn- cnb cnc cne cnf cni cnn cnr cnt crb crc cre crf cri crn crr crt ctb ctc cte ctf cti ctn ctr ctt ebb ebc ebe ebf ebi ebn ebr ebt ec- ecb ecc ece ecf eci ecn ecr ect eeb eec eee eef een eer eet ef- efb efc efe eff efi efr eft eib eic eie eif eii ein eir eit en- enb enc ene enf eni enn enr ent erb erc ere erf eri ern err ert etb etc ete etf eti etn etr ett fbb fbc fbe fbf fbi fbn fbr fbt fcb fcc fce fcf fci fcn fcr fct feb fec fee fef fei fen fer fet ffc ffe fff ffi ffn ffr fft fib fic fie fif fii fin fir fit fnb fnc fne fnf fni fnn fnr fnt frb frc fre frf fri frn frr frt ftb ftc fte ftf fti ftn ftr ftt i-f ibb ibc ibe ibf ibi ibn ibr ibt icb icc ice icf ici icn icr ict ie- iec iee ief iei ien ier iet ifb ifc ife iff ifi ifn ifr ift iib iic iie iif iii iin iir iit in- inb inc ine inf ini inn inr int ir- irb irc ire irf iri irn irr irt itb itc ite itf iti itn itt n-i nbb nbc nbe nbf nbi nbn nbr nbt ncb ncc nce ncf nci ncn ncr nct ne- neb nec nee nef nei nen ner net nfb nfc nfe nff nfi nfn nfr nft nib nic nie nif nii nin nir nit nnb nnc nne nnf nni nnn nnt nrb nrc nre nrf nri nrn nrr nrt ntb ntc nte ntf nti ntn ntr ntt rbb rbc rbe rbf rbi rbn rbr rbt rcb rcc rce rcf rci rcn rcr rct re- reb rec ree ref rei ren rer ret rfb rfc rfe rff rfi rfn rfr rft rib ric rie rif rii rin rir rit rnb rnc rni rnn rnr rnt rrb rrc rrf rri rrn rrr rrt rtb rtc rte rtf rti rtn rtr rtt tbb tbc tbe tbf tbi tbn tbr tbt tcb tcc tce tcf tci tcn tcr tct te- teb tec tee tef tei ten ter tet tfb tfc tfe tff tfi tfn tfr tft tib tic tie tif tii tin tir tit tnb tnc tne tnf tni tnn tnr tnt trb trc tre trf tri trn trr trt ttb ttc tte ttf tti ttn ttr ttt