-er bbb bbd bbe bbl bbr bbw bdb bdd bde bdl bdr bdw be- beb bed bee bel ber bew blb bld ble bll blr brb brd bre brl brr brw bwb bwd bwl bwr dbb dbd dbe dbl dbr ddb ddd dde ddl ddr ddw de- deb ded dee del der dew dl- dlb dld dle dll dlr drb drd dre drl drr drw dwb dwe dwr dww ebb ebd ebe ebl ebr ebw ed- edb edd ede edl edr edw eeb eed eee eel eer eew elb eld ele ell elr elw erb erd ere erl err erw ewb ewd ewe ewl ewr eww lbb lbd lbe lbl lbr lbw ldb ldd lde ldl ldr ldw leb led lee lel ler lew llb lld lle lll llr llw lrb lrd lrr lrw lwb lwd lwl lwr lww rbb rbd rbe rbl rbr rbw rdb rdd rde rdl rdr re- reb red ree rel rer rew rld rle rll rlr rlw rrb rrd rrl rrr rwb rwd rwe rwl rwr wbb wbd wbe wbr wbw wdb wdl wdr web wed wee wel wer wew wl- wlb wle wll wlr wlw wr- wrd wre wrl wrr wrw wwd wwe wwl www