bbb bbe bbf bbt bbw be- beb bee bef bet bew bfb bfe bff bft btb bte btf btt btw bwb bwf ebb ebe ebf ebt ebw eeb eee eef eet eew ef- efb efe eff eft efw etb ete etf ett etw ewb ewe ewf ewt eww fbb fbe fbf fbt fbw feb fee fef fet few ffe fff fft ffw ftb fte ftf ftt ftw fwb fwe fwf fwt tbb tbe tbf tbt te- teb tee tef tet tew tfb tfe tff tft tfw ttb tte ttf ttt ttw twb twe twf twt tww wbb wbe wbf wbt wbw web wee wef wet wew wfb wfe wff wft wfw wtb wtf wtt wtw wwe wwf wwt www