-th bbb bbh bbn bbo bbr bbt bbx bhb bhh bho bhr bht bhx bnb bnn bno bnr bnt bnx bob boh bon boo bor bot box brb brh brn bro brr brt brx btb bth btn bto btr btt btx bxb bxn bxo bxx hbb hbh hbn hbo hbr hbt hbx hhb hhh hhn hho hhr hht hnb hnh hnn hno hnt hob hoh hon hoo hor hot hox hr- hrb hrh hrn hro hrr hrt htb hth htn hto htr htt htx nbb nbn nbo nbr nbt nbx nhb nhh nhn nhr nht nnb nnh nnn nno nnt no- nob noh non noo nor not nox nrb nrn nro nrr nrt nrx ntb nth ntn nto ntr ntt ntx nxt ob- obb obh obn obo obr obt obx ohh ohn oho ohr oht on- onb onh onn ono onr ont onx oo- oob ooh oon ooo oor oot oox or- orb orh orn oro orr ort orx ot- otb oth otn oto otr ott ox- oxb oxn oxo oxt oxx rbb rbh rbn rbo rbr rbt rbx rh- rhb rhh rhn rho rhr rht rnb rnh rnn rno rnr rnt rob roh ron roo ror rot rox rrb rrh rrn rrr rrt rtb rtn rto rtr rtt rtx rxr t-x tbb tbh tbn tbo tbr tbt th- thb thh thn tho thr tht thx tnb tnh tnn tno tnr tnt tnx to- tob toh ton too tor tot tox trb trh trn tro trr trt trx ttb tth ttn tto ttr ttt ttx txn txt xbr xbx xht xno xon xoo xor xot xox xrt xrx xtr xtx xxo xxx