-ly -ol bbb bbi bbl bbn bbo bbs bbt bby bi- bib bii bil bin bio bis bit biy blb bli bll bln blo bls blt bly bnb bni bnl bnn bno bns bnt bob boi bol bon boo bos bot boy bsb bsi bsl bsn bso bss bst bsy btb bti btl btn bto bts btt bty by- byi byl byn byo bys byt ibb ibi ibl ibn ibo ibs ibt iby iib iii iil iin iio iis iit il- ilb ili ill iln ilo ils ilt ily in- inb ini inl inn ino ins int iny io- iob ioi iol ion ioo ios iot is- isb isi isl isn iso iss ist isy itb iti itl itn ito its itt ity iyo iys iyt iyy lbb lbi lbl lbo lbs lbt lib lii lil lin lio lis lit llb lli lll lln llo lls llt lly lnb lni lnl lnn lno lns lnt lob loi lol lon loo los lot loy lsb lsi lsl lsn lso lss lst ltb lti ltl lto lts ltt lyl lyn lyo lys lyt n-i nbb nbi nbl nbn nbo nbs nbt nib nii nil nin nio nis nit nlb nli nll nln nlo nls nlt nly nnb nni nnl nnn nno nns nnt no- nob noi nol non noo nos not noy nsb nsi nsl nsn nso nss nst nsy ntb nti ntn nto nts ntt nyl nyn nyo nys nyt nyy o-i ob- obb obi obl obn obo obs obt oby oib oii oil oin oio ois oit olb oli oll oln olo ols olt oly on- onb oni onl onn ono ons ont ony oo- oob ooi ool oon ooo oos oot os- osb osi osl osn oso oss ost ot- otb oti otl otn oto ots ott oyi oyl oyo oys sbb sbi sbl sbn sbo sbs sbt sby sib sii sil sin sio sis sit slb sli sll sln slo sls slt sly snb sni snl snn sno sns snt sny sob soi sol son soo sos sot soy ss- ssb ssi ssl ssn sso sss sst stb sti stl stn sto sts stt sty sy- syb syi syl syn sys syt tbb tbi tbl tbn tbo tbs tbt tib tii til tin tio tis tit tiy tli tll tln tlo tls tlt tnb tni tnl tnn tno tns tnt to- tob toi tol ton too tos tot toy tsb tsi tsl tsn tso tss tst tsy ttb tti ttl ttn tto tts ttt tty tyl tyn tyo tys tyt ybi ybl ybs yby yii yin yio yis yit yli yll yls ylt yly ynn yns yny yob yoi yol yon yoo yos yot yoy ysb ysi ysl yso yss yst ysy ytl ytn yto yts ytt yyb yys yyt yyy