-ey -ly -ol bbb bbe bbl bbn bbo bbs bbt bby be- beb bee bel ben beo bes bet bey blb ble bll bln blo bls blt bly bnb bne bnl bnn bno bns bnt bob boe bol bon boo bos bot boy bsb bse bsl bsn bso bss bst bsy btb bte btl btn bto bts btt bty by- bye byl byn byo bys byt ebb ebe ebl ebn ebo ebs ebt eby eeb eee eel een eeo ees eet eey elb ele ell eln elo els elt ely en- enb ene enl enn eno ens ent eny eo- eob eoe eol eon eoo eos eot es- esb ese esl esn eso ess est esy etb ete etl etn eto ets ett ety eye eyl eyn eyo eys eyt lbb lbe lbl lbo lbs lbt leb lee lel len leo les let ley llb lle lll lln llo lls llt lly lnb lne lnl lnn lno lns lnt lob loe lol lon loo los lot loy lsb lse lsl lsn lso lss lst ltb lte ltl lto lts ltt lye lyl lyn lyo lys lyt nbb nbe nbl nbn nbo nbs nbt ne- neb nee nel nen neo nes net ney nlb nle nll nln nlo nls nlt nly nnb nne nnl nnn nno nns nnt no- nob noe nol non noo nos not noy nsb nse nsl nsn nso nss nst nsy ntb nte ntn nto nts ntt nye nyl nyn nyo nys nyt nyy ob- obb obe obl obn obo obs obt oby oeb oee oel oen oeo oes oet oey olb ole oll oln olo ols olt oly on- onb one onl onn ono ons ont ony oo- oob ool oon ooo oos oot os- osb ose osl osn oso oss ost ot- otb ote otl otn oto ots ott oye oyl oyo oys sbb sbe sbl sbn sbo sbs sbt sby se- seb see sel sen seo ses set sey slb sle sll sln slo sls slt sly snb sne snl snn sno sns snt sny sob soe sol son soo sos sot soy ss- ssb sse ssl ssn sso sss sst stb ste stl stn sto sts stt sty sy- syb sye syl syn sys syt tbb tbe tbl tbn tbo tbs tbt te- teb tee tel ten teo tes tet tey tle tll tln tlo tls tlt tnb tne tnl tnn tno tns tnt to- tob toe tol ton too tos tot toy tsb tse tsl tsn tso tss tst tsy ttb tte ttl ttn tto tts ttt tty tye tyl tyn tyo tys tyt ybe ybl ybs yby yeb yee yel yen yeo yes yet yey yle yll yls ylt yly yne ynn yns yny yob yoe yol yon yoo yos yot yoy ysb yse ysl yso yss yst ysy yte ytl ytn yto yts ytt yyb yye yys yyt yyy