-er bbb bbe bbf bbi bbl bbr bbt be- beb bee bef bei bel ber bet bfb bfe bff bfi bfl bfr bft bi- bib bie bif bii bil bir bit blb ble blf bli bll blr blt brb bre brf bri brl brr brt btb bte btf bti btl btr btt ebb ebe ebf ebi ebl ebr ebt eeb eee eef eel eer eet ef- efb efe eff efi efl efr eft eib eie eif eii eil eir eit elb ele elf eli ell elr elt erb ere erf eri erl err ert etb ete etf eti etl etr ett fbb fbe fbf fbi fbl fbr fbt feb fee fef fei fel fer fet ffe fff ffi ffl ffr fft fib fie fif fii fil fir fit flb fle flf fli fll flr flt frb fre frf fri frl frr frt ftb fte ftf fti ftl ftr ftt i-f ibb ibe ibf ibi ibl ibr ibt ie- iee ief iei iel ier iet ifb ife iff ifi ifl ifr ift iib iie iif iii iil iir iit il- ilb ile ilf ili ill ilr ilt ir- irb ire irf iri irl irr irt itb ite itf iti itl itt lbb lbe lbf lbi lbl lbr lbt leb lee lef lei lel ler let lfb lfe lff lfi lfl lfr lft lib lie lif lii lil lir lit llb lle llf lli lll llr llt lrb lrf lri lrr lrt ltb lte ltf lti ltl ltr ltt rbb rbe rbf rbi rbl rbr rbt re- reb ree ref rei rel rer ret rfb rfe rff rfi rfl rfr rft rib rie rif rii ril rir rit rle rlf rli rll rlr rlt rrb rrf rri rrl rrr rrt rtb rte rtf rti rtl rtr rtt tbb tbe tbf tbi tbl tbr tbt te- teb tee tef tei tel ter tet tfb tfe tff tfi tfl tfr tft tib tie tif tii til tir tit tle tlf tli tll tlr tlt trb tre trf tri trl trr trt ttb tte ttf tti ttl ttr ttt