-th bbb bbh bbn bbo bbr bbt bby bhb bhh bho bhr bht bnb bnn bno bnr bnt bob boh bon boo bor bot boy brb brh brn bro brr brt bry btb bth btn bto btr btt bty by- byh byn byo byr byt hbb hbh hbn hbo hbr hbt hby hhb hhh hhn hho hhr hht hhy hnb hnh hnn hno hnt hny hob hoh hon hoo hor hot hoy hr- hrb hrh hrn hro hrr hrt htb hth htn hto htr htt hty hy- hyb hyh hyn hyo hyr hyt hyy nbb nbn nbo nbr nbt nhb nhh nhn nhr nht nhy nnb nnh nnn nno nnt no- nob noh non noo nor not noy nrb nrn nro nrr nrt nry ntb nth ntn nto ntr ntt nyn nyo nyt nyy ob- obb obh obn obo obr obt oby ohh ohn oho ohr oht on- onb onh onn ono onr ont ony oo- oob ooh oon ooo oor oot or- orb orh orn oro orr ort ory ot- otb oth otn oto otr ott oyo rbb rbh rbn rbo rbr rbt rh- rhb rhh rhn rho rhr rht rnb rnh rnn rno rnr rnt rny rob roh ron roo ror rot roy rrb rrh rrn rrr rrt rtb rtn rto rtr rtt rty ry- ryn ryo ryr ryy tbb tbh tbn tbo tbr tbt th- thb thh thn tho thr tht thy tnb tnh tnn tno tnr tnt to- tob toh ton too tor tot toy trb trh trn tro trr trt try ttb tth ttn tto ttr ttt tty tyn tyo tyr tyt ybr yby yht ynn yny yob yon yoo yor yot yoy yrn yro yrt yth ytn yto ytr ytt yyb yyt yyy