-th bbb bbd bbh bbi bbn bbo bbt bby bdb bdd bdh bdi bdo bdt bdy bhb bhd bhh bhi bho bht bi- bib bid bih bii bin bio bit biy bnb bnd bni bnn bno bnt bob bod boh boi bon boo bot boy btb btd bth bti btn bto btt bty by- byd byh byi byn byo byt dbb dbd dbh dbi dbn dbo dbt dby ddb ddd ddh ddi ddn ddo ddt ddy dh- dhb dhd dhh dhi dho dht di- dib did dih dii din dio dit diy dnb dnd dnh dni dnn dno dnt dny dob dod doh doi don doo dot doy dtb dtd dth dti dtn dto dtt dty dy- dyb dyd dyn dyo dyy h-i hbb hbd hbh hbi hbn hbo hbt hby hdb hdd hdh hdi hdn hdo hdt hdy hhb hhd hhh hhi hhn hho hht hhy hib hid hih hii hin hio hit hnb hnd hnh hnn hno hnt hny hob hod hoh hoi hon hoo hot hoy htb htd hth hti htn hto htt hty hy- hyb hyd hyh hyi hyn hyo hyt hyy i-d ibb ibd ibh ibi ibn ibo ibt iby idb idd idh idi idn ido idt idy ihb ihd ihh ihi ihn iho iht ihy iib iid iih iii iin iio iit in- inb ind inh ini inn ino int iny io- iob iod ioh ioi ion ioo iot itb itd ith iti itn ito itt ity iyo iyt iyy n-i nbb nbd nbi nbn nbo nbt ndb ndd ndh ndi ndn ndo ndt ndy nhb nhd nhh nhi nhn nht nhy nib nid nih nii nin nio nit nnb nnh nni nnn nno nnt no- nob nod noh noi non noo not noy ntb ntd nth nti ntn nto ntt nyd nyn nyo nyt nyy o-i ob- obb obd obh obi obn obo obt oby odb odd odh odi odn odo odt ohd ohh ohi ohn oho oht oib oid oii oin oio oit on- onb ond onh oni onn ono ont ony oo- oob ood ooh ooi oon ooo oot ot- otb otd oth oti otn oto ott oyd oyi oyo tbb tbd tbh tbi tbn tbo tbt tdb tdd tdh tdi tdn tdo tdt tdy th- thb thd thh thi thn tho tht thy tib tid tih tii tin tio tit tiy tnb tnd tnh tni tnn tno tnt to- tob tod toh toi ton too tot toy ttb ttd tth tti ttn tto ttt tty tyd tyn tyo tyt ybi yby ydn ydo ydt ydy yhi yht yid yih yii yin yio yit ynd ynn yny yob yod yoi yon yoo yot yoy ytd yth ytn yto ytt yyb yyt yyy