-th b-u bbb bbh bbn bbo bbt bbu bbx bhb bhh bho bht bhu bhx bnb bnn bno bnt bnu bnx bob boh bon boo bot bou box btb bth btn bto btt btu btx bub buh bun buo but buu bux bxb bxn bxo bxx hbb hbh hbn hbo hbt hbu hbx hhb hhh hhn hho hht hhu hnb hnh hnn hno hnt hnu hob hoh hon hoo hot hou hox htb hth htn hto htt htx hub huh hun huo hut huu hux nbb nbn nbo nbt nbu nbx nhb nhh nhn nht nhu nnb nnh nnn nno nnt nnu no- nob noh non noo not nou nox ntb nth ntn nto ntt ntu ntx nub nuh nun nuo nut nuu nux nxt ob- obb obh obn obo obt obu obx ohh ohn oho oht ohu on- onb onh onn ono ont onu onx oo- oob ooh oon ooo oot oox ot- otb oth otn oto ott otu ou- ouh oun ouo out ox- oxb oxn oxo oxt oxx t-x tbb tbh tbn tbo tbt tbu th- thb thh thn tho tht thu thx tnb tnh tnn tno tnt tnx to- tob toh ton too tot tou tox ttb tth ttn tto ttt ttu ttx tub tuh tun tuo tut tuu tux txn txt txu ubb ubh ubn ubo ubt ubu ubx uhb uhh uho uht uhu un- unb unh unn uno unt unu unx uob uon uoo uot uox utb uth utn uto utt utu utx uun uut uuu uxb uxo uxt uxu xbx xht xno xnu xon xoo xot xox xtx xun xxo xxx