-ene bbbb bbdd bbeb bbet bbfn bblb bdle bebb bebe bede bedl beeb beed beef beel been beet befe beff beft beld bele bell belt bend bene benn bent bete bett bffl bftt blbt bleb bled blee blet bnet btdt bten bttb dbnl dbtt dddd debe debt dedd dede deeb deed deef deel deen deet defe deff defn deft deld dele delf dell delt dene denn dent dete detn dfdt dlbd dnet dntt dted dten dtle dtnb ebed ebel eben edde ede- edel eden edfl edle ednl eede eeee eefe eefl eefn eele eend eent eete efen efet eft- el-b elbe elde eled elee elef elen elet elfe elft elle elne elte enb- enbn end- ende ened enee enel enfb enne ent- entd ente etee etel eten etfb etfe etne ette ettn fble fdtl fede fedn feeb feed feel feen feet fefe feff feld fele felf fell felt fend fene fenn fent fete fett ffee ffff fftf fled flee flen flet flnb fndd fndn fnet fntb ft-l ften ftlb lebd lede ledt leed leef leel leen leet lefe leff left lele lell lend lene lenn lent lete lett lldb llef llet llll lndn ltbf ltbl ltee ltnt nbfl nddb ndde ndnt nebb nebe nebn nedd nede neeb need neef neel neen neet nefd nefe neff nefl neld nele nelf nell nelt nend nene nent net- netb netd nete nett nfff nfld nndb nnnn nntn ntfl ntnd tbnf tddb tdff tedd tede teed teef teel teen teet teff tefl teft tel- teld tele tell teln telt tenb tend tene tenn tent tete tett tfeb tlen tndd tndf tneb tnef tnfl ttbb tten ttff ttfn tttt