bbb bbe bbi bbk bbt bbw be- beb bee bei bek bet bew bi- bib bie bii bik bit biw bkb bke bkk bkt bkw btb bte bti btk btt btw bwb bwi bwk ebb ebe ebi ebk ebt ebw eeb eee eek eet eew eib eie eii eik eit ekb eke eki ekt etb ete eti etk ett etw ewb ewe ewi ewk ewt eww ibb ibe ibi ibk ibt ibw ie- iee iei iek iet iib iie iii iit iiw ikb ike iki ikk ikt itb ite iti itk itt iwb iwe iwi iwk iwt iww k-t kbb kbe kbi kbk kbw ke- keb kee kei kek ket kew kib kie kii kik kit kkb kke kki kkk kkt ktb kte ktk ktt ktw kw- kwi kwk kwt kww tbb tbe tbi tbk tbt te- teb tee tei tek tet tew tib tie tii tik tit tiw tkb tke tkk tkt tkw ttb tte tti ttk ttt ttw twb twe twi twt tww wbb wbe wbi wbt wbw web wee wei wek wet wew wib wie wii wik wit wkb wke wkt wkw wtb wti wtt wtw wwe wwi wwt www