bbb bbd bbi bbn bbo bbr bbt bby bdb bdd bdi bdo bdr bdt bdy bi- bib bid bii bin bio bir bit biy bnb bnd bni bnn bno bnr bnt bob bod boi bon boo bor bot boy brb brd bri brn bro brr brt bry btb btd bti btn bto btr btt bty by- byd byi byn byo byr byt dbb dbd dbi dbn dbo dbr dbt dby ddb ddd ddi ddn ddo ddr ddt ddy di- dib did dii din dio dir dit diy dnb dnd dni dnn dno dnr dnt dny dob dod doi don doo dor dot doy drb drd dri drn dro drr drt dry dtb dtd dti dtn dto dtr dtt dty dy- dyb dyd dyn dyo dyr dyy i-d ibb ibd ibi ibn ibo ibr ibt iby idb idd idi idn ido idr idt idy iib iid iii iin iio iir iit in- inb ind ini inn ino inr int iny io- iob iod ioi ion ioo ior iot ir- irb ird iri irn iro irr irt iry itb itd iti itn ito itt ity iyo iyr iyt iyy n-i nbb nbd nbi nbn nbo nbr nbt ndb ndd ndi ndn ndo ndr ndt ndy nib nid nii nin nio nir nit nnb nni nnn nno nnt no- nob nod noi non noo nor not noy nrb nrd nri nrn nro nrr nrt nry ntb ntd nti ntn nto ntr ntt nyd nyn nyo nyt nyy o-i ob- obb obd obi obn obo obr obt oby odb odd odi odn odo odr odt oib oid oii oin oio oir oit on- onb ond oni onn ono onr ont ony oo- oob ood ooi oon ooo oor oot or- orb ord ori orn oro orr ort ory ot- otb otd oti otn oto otr ott oyd oyi oyo rbb rbd rbi rbn rbo rbr rbt rdb rdd rdi rdn rdo rdr rdt rdy rib rid rii rin rio rir rit riy rnb rnd rni rnn rno rnr rnt rny rob rod roi ron roo ror rot roy rrb rrd rri rrn rrr rrt rtb rtd rti rtn rto rtr rtt rty ry- ryd ryn ryo ryr ryy tbb tbd tbi tbn tbo tbr tbt tdb tdd tdi tdn tdo tdr tdt tdy tib tid tii tin tio tir tit tiy tnb tnd tni tnn tno tnr tnt to- tob tod toi ton too tor tot toy trb trd tri trn tro trr trt try ttb ttd tti ttn tto ttr ttt tty tyd tyn tyo tyr tyt ybi ybr yby ydn ydo ydt ydy yid yii yin yio yir yit ynd ynn yny yob yod yoi yon yoo yor yot yoy yrn yro yrt ytd ytn yto ytr ytt yyb yyt yyy