-er bbb bbd bbe bbf bbi bbl bbr bbt bdb bdd bde bdf bdi bdl bdr bdt be- beb bed bee bef bei bel ber bet bfb bfd bfe bff bfi bfl bfr bft bi- bib bid bie bif bii bil bir bit blb bld ble blf bli bll blr blt brb brd bre brf bri brl brr brt btb btd bte btf bti btl btr btt dbb dbd dbe dbf dbi dbl dbr dbt ddb ddd dde ddf ddi ddl ddr ddt de- deb ded dee def dei del der det dfb dfd dfe dff dfi dfl dfr dft di- dib did die dif dii dil dir dit dl- dlb dld dle dlf dli dll dlr dlt drb drd dre dri drl drr drt dtb dtd dte dtf dti dtl dtr dtt ebb ebd ebe ebf ebi ebl ebr ebt ed- edb edd ede edf edi edl edr edt eeb eed eee eef eel eer eet ef- efb efd efe eff efi efl efr eft eib eid eie eif eii eil eir eit elb eld ele elf eli ell elr elt erb erd ere erf eri erl err ert etb etd ete etf eti etl etr ett fbb fbd fbe fbf fbi fbl fbr fbt fdb fdd fde fdf fdi fdl fdr fdt feb fed fee fef fei fel fer fet ffd ffe fff ffi ffl ffr fft fib fid fie fif fii fil fir fit flb fld fle flf fli fll flr flt frb frd fre frf fri frl frr frt ftb ftd fte ftf fti ftl ftr ftt i-d i-f ibb ibd ibe ibf ibi ibl ibr ibt idb idd ide idf idi idl idr idt ie- ied iee ief iei iel ier iet ifb ifd ife iff ifi ifl ifr ift iib iid iie iif iii iil iir iit il- ilb ild ile ilf ili ill ilr ilt ir- irb ird ire irf iri irl irr irt itb itd ite itf iti itl itt lbb lbd lbe lbf lbi lbl lbr lbt ldb ldd lde ldf ldi ldl ldr ldt leb led lee lef lei lel ler let lfb lfd lfe lff lfi lfl lfr lft lib lid lie lif lii lil lir lit llb lld lle llf lli lll llr llt lrb lrd lrf lri lrr lrt ltb ltd lte ltf lti ltl ltr ltt rbb rbd rbe rbf rbi rbl rbr rbt rdb rdd rde rdf rdi rdl rdr rdt re- reb red ree ref rei rel rer ret rfb rfd rfe rff rfi rfl rfr rft rib rid rie rif rii ril rir rit rld rle rlf rli rll rlr rlt rrb rrd rrf rri rrl rrr rrt rtb rtd rte rtf rti rtl rtr rtt tbb tbd tbe tbf tbi tbl tbr tbt tdb tdd tde tdf tdi tdl tdr tdt te- teb ted tee tef tei tel ter tet tfb tfd tfe tff tfi tfl tfr tft tib tid tie tif tii til tir tit tld tle tlf tli tll tlr tlt trb trd tre trf tri trl trr trt ttb ttd tte ttf tti ttl ttr ttt