-ey -ly -ol bbb bbe bbf bbl bbn bbo bbs bby be- beb bee bef bel ben beo bes bey bfb bfe bff bfl bfn bfo bfs bfy blb ble blf bll bln blo bls bly bnb bne bnf bnl bnn bno bns bob boe bof bol bon boo bos boy bsb bse bsf bsl bsn bso bss bsy by- bye byf byl byn byo bys ebb ebe ebf ebl ebn ebo ebs eby eeb eee eef eel een eeo ees eey ef- efb efe eff efl efo efs elb ele elf ell eln elo els ely en- enb ene enf enl enn eno ens eny eo- eob eoe eof eol eon eoo eos es- esb ese esf esl esn eso ess esy eye eyl eyn eyo eys fbb fbe fbf fbl fbn fbo fbs feb fee fef fel fen feo fes fey ffe fff ffl ffn ffo ffs ffy flb fle flf fll fln flo fls fly fnb fne fnf fnl fnn fns fob foe fof fol fon foo fos foy fsb fse fsf fsl fsn fso fss fy- fyb fye fyn fyo lbb lbe lbf lbl lbo lbs leb lee lef lel len leo les ley lfb lfe lff lfl lfn lfo lfs llb lle llf lll lln llo lls lly lnb lne lnl lnn lno lns lob loe lof lol lon loo los loy lsb lse lsf lsl lsn lso lss lye lyf lyl lyn lyo lys nbb nbe nbf nbl nbn nbo nbs ne- neb nee nef nel nen neo nes ney nfb nfe nff nfl nfn nfo nfs nlb nle nlf nll nln nlo nls nly nnb nne nnf nnl nnn nno nns no- nob noe nof nol non noo nos noy nsb nse nsf nsl nsn nso nss nsy nye nyf nyl nyn nyo nys nyy ob- obb obe obf obl obn obo obs oby oeb oee oef oel oen oeo oes oey of- ofb ofe off ofl ofn ofo ofs olb ole olf oll oln olo ols oly on- onb one onf onl onn ono ons ony oo- oob oof ool oon ooo oos os- osb ose osf osl osn oso oss oye oyl oyo oys sbb sbe sbf sbl sbn sbo sbs sby se- seb see sef sel sen seo ses sey sfb sfe sff sfl sfn sfo sfs slb sle slf sll sln slo sls sly snb sne snf snl snn sno sns sny sob soe sof sol son soo sos soy ss- ssb sse ssf ssl ssn sso sss sy- syb sye syl syn sys ybe ybf ybl ybs yby yeb yee yef yel yen yeo yes yey yfe yff yfs yle yll yls yly yne ynn yns yny yob yoe yof yol yon yoo yos yoy ysb yse ysl yso yss ysy yyb yye yyf yys yyy