-th bbb bbf bbh bbn bbo bbr bbt bfb bff bfh bfn bfo bfr bft bhb bhf bhh bho bhr bht bnb bnf bnn bno bnr bnt bob bof boh bon boo bor bot brb brf brh brn bro brr brt btb btf bth btn bto btr btt fbb fbf fbh fbn fbo fbr fbt fff ffh ffn ffo ffr fft fhb fhf fhh fhn fho fhr fnb fnf fnh fnn fnr fnt fob fof foh fon foo for fot frb frf frh frn fro frr frt ftb ftf fth ftn fto ftr ftt hbb hbf hbh hbn hbo hbr hbt hfb hff hfh hfn hfo hfr hft hhb hhf hhh hhn hho hhr hht hnb hnf hnh hnn hno hnt hob hof hoh hon hoo hor hot hr- hrb hrf hrh hrn hro hrr hrt htb htf hth htn hto htr htt nbb nbf nbn nbo nbr nbt nfb nff nfn nfo nfr nft nhb nhf nhh nhn nhr nht nnb nnf nnh nnn nno nnt no- nob nof noh non noo nor not nrb nrf nrn nro nrr nrt ntb ntf nth ntn nto ntr ntt ob- obb obf obh obn obo obr obt of- ofb off ofn ofo ofr oft ohf ohh ohn oho ohr oht on- onb onf onh onn ono onr ont oo- oob oof ooh oon ooo oor oot or- orb orf orh orn oro orr ort ot- otb otf oth otn oto otr ott rbb rbf rbh rbn rbo rbr rbt rfb rff rfh rfn rfo rfr rft rh- rhb rhf rhh rhn rho rhr rht rnb rnh rnn rno rnr rnt rob rof roh ron roo ror rot rrb rrf rrh rrn rrr rrt rtb rtf rtn rto rtr rtt tbb tbf tbh tbn tbo tbr tbt tfb tff tfh tfn tfo tfr tft th- thb thf thh thn tho thr tht tnb tnf tnh tnn tno tnr tnt to- tob tof toh ton too tor tot trb trf trh trn tro trr trt ttb ttf tth ttn tto ttr ttt