-er -ey bbb bbe bbf bbi bbn bbr bby be- beb bee bef bei ben ber bey bfb bfe bff bfi bfn bfr bfy bi- bib bie bif bii bin bir biy bnb bne bnf bni bnn bnr brb bre brf bri brn brr bry by- bye byf byi byn byr ebb ebe ebf ebi ebn ebr eby eeb eee eef een eer eey ef- efb efe eff efi efr eib eie eif eii ein eir en- enb ene enf eni enn enr eny erb ere erf eri ern err ery eye eyn eyr fbb fbe fbf fbi fbn fbr feb fee fef fei fen fer fey ffe fff ffi ffn ffr ffy fib fie fif fii fin fir fnb fne fnf fni fnn fnr frb fre frf fri frn frr fry fy- fyb fye fyi fyn i-f ibb ibe ibf ibi ibn ibr iby ie- iee ief iei ien ier iey ifb ife iff ifi ifn ifr ify iib iie iif iii iin iir in- inb ine inf ini inn inr iny ir- irb ire irf iri irn irr iry iye iyr iyy n-i nbb nbe nbf nbi nbn nbr ne- neb nee nef nei nen ner ney nfb nfe nff nfi nfn nfr nib nie nif nii nin nir nnb nne nnf nni nnn nrb nre nrf nri nrn nrr nry nye nyf nyn nyy rbb rbe rbf rbi rbn rbr re- reb ree ref rei ren rer rey rfb rfe rff rfi rfn rfr rib rie rif rii rin rir riy rnb rni rnn rnr rny rrb rrf rri rrn rrr ry- rye ryf ryn ryr ryy ybe ybf ybi ybr yby yeb yee yef yei yen yer yey yfe yff yfr yie yif yii yin yir yne ynn yny yre yrf yrn yyb yye yyf yyy