-th bbb bbh bbk bbn bbo bbr bbt bhb bhh bhk bho bhr bht bkb bkk bkn bko bkr bkt bnb bnk bnn bno bnr bnt bob boh bok bon boo bor bot brb brh brk brn bro brr brt btb bth btk btn bto btr btt hbb hbh hbk hbn hbo hbr hbt hhb hhh hhk hhn hho hhr hht hkb hkh hkk hkn hko hkr hkt hnb hnh hnk hnn hno hnt hob hoh hok hon hoo hor hot hr- hrb hrh hrk hrn hro hrr hrt htb hth htk htn hto htr htt k-t kbb kbh kbk kbn kbo kbr khh khk khn kho khr kkb kkh kkk kkn kkr kkt kn- knk knn kno knr knt kob koh kok kon koo kor kot krk krn kro krr krt ktb kth ktk ktn kto ktr ktt nbb nbk nbn nbo nbr nbt nhb nhh nhk nhn nhr nht nkk nkn nko nkr nkt nnb nnh nnk nnn nno nnt no- nob noh nok non noo nor not nrb nrk nrn nro nrr nrt ntb nth ntk ntn nto ntr ntt ob- obb obh obk obn obo obr obt ohh ohn oho ohr oht okb okk oko okr on- onb onh onk onn ono onr ont oo- oob ooh ook oon ooo oor oot or- orb orh ork orn oro orr ort ot- otb oth otk otn oto otr ott rbb rbh rbk rbn rbo rbr rbt rh- rhb rhh rhn rho rhr rht rkb rkk rko rkt rnb rnh rnn rno rnr rnt rob roh rok ron roo ror rot rrb rrh rrk rrn rrr rrt rtb rtk rtn rto rtr rtt tbb tbh tbk tbn tbo tbr tbt th- thb thh thk thn tho thr tht tkb tkk tko tkr tkt tnb tnh tnk tnn tno tnr tnt to- tob toh tok ton too tor tot trb trh trk trn tro trr trt ttb tth ttk ttn tto ttr ttt