bbb bbe bbf bbs bbt bbw be- beb bee bef bes bet bew bfb bfe bff bfs bft bsb bse bsf bss bst bsw btb bte btf bts btt btw bwb bwf bws ebb ebe ebf ebs ebt ebw eeb eee eef ees eet eew ef- efb efe eff efs eft efw es- esb ese esf ess est esw etb ete etf ets ett etw ewb ewe ewf ews ewt eww fbb fbe fbf fbs fbt fbw feb fee fef fes fet few ffe fff ffs fft ffw fsb fse fsf fss fst fsw ftb fte ftf fts ftt ftw fwb fwe fwf fws fwt sbb sbe sbf sbs sbt sbw se- seb see sef ses set sew sfb sfe sff sfs sft sfw ss- ssb sse ssf sss sst ssw stb ste stf sts stt stw swb swe swf sws swt tbb tbe tbf tbs tbt te- teb tee tef tes tet tew tfb tfe tff tfs tft tfw tsb tse tsf tss tst tsw ttb tte ttf tts ttt ttw twb twe twf tws twt tww wbb wbe wbf wbs wbt wbw web wee wef wes wet wew wfb wfe wff wfs wft wfw wsb wse wsf wss wst wsw wtb wtf wts wtt wtw wwe wwf wwt www