-th bbb bbh bbi bbk bbn bbo bbt bbx bhb bhh bhi bhk bho bht bhx bi- bib bih bii bik bin bio bit bix bkb bkk bkn bko bkt bkx bnb bni bnk bnn bno bnt bnx bob boh boi bok bon boo bot box btb bth bti btk btn bto btt btx bxb bxi bxn bxo bxx h-i hbb hbh hbi hbk hbn hbo hbt hbx hhb hhh hhi hhk hhn hho hht hib hih hii hik hin hio hit hix hkb hkh hki hkk hkn hko hkt hnb hnh hnk hnn hno hnt hob hoh hoi hok hon hoo hot hox htb hth hti htk htn hto htt htx ibb ibh ibi ibk ibn ibo ibt ibx ihb ihh ihi ihk ihn iho iht iib iih iii iin iio iit iix ikb iki ikk iko ikt ikx in- inb inh ini ink inn ino int inx io- iob ioh ioi ion ioo iot itb ith iti itk itn ito itt itx ixi ixn k-t kbb kbh kbi kbk kbn kbo kbx khh khi khk khn kho kib kih kii kik kin kio kit kix kkb kkh kki kkk kkn kkt kn- kni knk knn kno knt knx kob koh koi kok kon koo kot ktb kth ktk ktn kto ktt kxo n-i nbb nbi nbk nbn nbo nbt nbx nhb nhh nhi nhk nhn nht nib nih nii nik nin nio nit nix nki nkk nkn nko nkt nnb nnh nni nnk nnn nno nnt no- nob noh noi nok non noo not nox ntb nth nti ntk ntn nto ntt ntx nxt o-i ob- obb obh obi obk obn obo obt obx ohh ohi ohn oho oht oib oii oik oin oio oit okb oki okk oko on- onb onh oni onk onn ono ont onx oo- oob ooh ooi ook oon ooo oot oox ot- otb oth oti otk otn oto ott ox- oxb oxi oxn oxo oxt oxx t-x tbb tbh tbi tbk tbn tbo tbt th- thb thh thi thk thn tho tht thx tib tih tii tik tin tio tit tix tkb tkk tko tkt tnb tnh tni tnk tnn tno tnt tnx to- tob toh toi tok ton too tot tox ttb tth tti ttk ttn tto ttt ttx txi txk txn txt xbx xht xii xin xio xit xix xkb xnk xno xoi xok xon xoo xot xox xti xtx xxi xxo xxx