bbbb bbeb bblb bebb bebe bebo beeb beek beel beke beko bele belk bell belo beo- beok bleb blee blek bleo blkb blob blok bloo bobb bobe bobo boee boel boeo boke boko bole bolk boll bolo boob booe book bool ebbo ebel eboe ebol eboo eeee eeke eele ekeb ekek el-b elbe elbo elee elek eleo elke elko elle ello elok eole eolo k-lo kbbb kbbe kbbk kbbl kbbo kbeb kbee kbek kbel kbeo kbkb kbkk kbkl kbko kblb kble kbll kblo kbob kboe kbok kboo kebb kebe keek keel kekb keke kekl keko kele kelk kell kelo keok keol kkbb kkbe kkbl kkbo kkkk kklb kkll kklo kkob kkol kkoo klbb klbe klbl kleb klee klek kleo klkk klkl klko kllb klle kllk klob kloe klok klol kloo kobb kobe kobk kobo koel kokb koke kokk koko kolb kole kolk koll kolo koob kook kool kooo lebo leek leel leke lekk leko lele lell lelo leok llll lloo lob- lobb lobe lobo loeb loke lokk loko lole loll lolo loob looe look lool o-eo obbo obel obkb oble oboe obok obol oele okko oklo okok okol olbo ole- oleo olle ollo oobe oolo oooo