-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

bbbb bhor bhot bhrt bnor bnrr bobb bobo bohn boho bohr boht bokn boko bonk bonn bono bont boob booh book boon boor boot bor- borh bork born boro borr bort botb both botn boto bott brkb brno brob broh brok bron broo bror brot brrr btob btor btrt bttb hhhh hntb hntr hobo hohn hoho hoko honk hono hont hook hoon hoor hoot hork horn horo horr hort hotb hoth hoto hotr hott hrob hron hrtb htoh htrk httr kbbb kbbk kbbo kbbr kbbt kbhb kbhh kbhn kbhr kbht kbkb kbkk kbko kbkr kbnh kbnn kbno kbnr kbob kbok kbon kboo kbot kbrb kbrh kbrk kbrn kbro kbrt kbtb kbtk kbtn kbto kbtr kbtt khbr khbt khhk khho khkk khkn khkr khnk khnr khob khok khon khor khot khrk khro khrr khrt khtb khth khtk khtn khto khtr khtt kkbb kkbn kkbo kkbr kkbt kkhb kkhh kkhk kkhr kkkk kknb kknn kkno kknt kkob kkoh kkon kkoo kkor kkot kkrb kkrh kkrk kkrn kkro kkrr kkrt kktk knbb knbn knbr knbt knhk knht knkk knkt knnb knnk knnr knob knok knon knor knot knrb knrk knro knth kntk kntn knto kntr kobb kobk kobn kobo kobr kohh kohn koho kohr koht kokb kokh kokk kokn koko kokr konk kono kont koob kook koon kooo koor koot korb kork korn koro korr kort kotb koth kotk kotn koto kotr kott krbb krbk krbr krbt krkh krkk krkn krko krkr krnb krnh krnk krnn krno krnt krob kroh krok kroo kror krrb krrk krrn krro krrr krrt krth krtk krtn krto krtr ktbb ktbn ktbr ktbt kthh kthk kthn ktho kthr ktht ktkb ktkk ktkn ktko ktkr ktkt ktnk ktnn ktno ktnt ktob ktoh ktok kton ktoo ktor ktot ktrb ktrh ktrk ktrn ktro ktrr ktrt ktth kttk kttn ktto kttr kttt nbbo nhnn nhon nknt nkok nkor nktr nnnn nnot nntn nobo nohn noho noht noko non- nonn nono nont noo- noob nook noon nooo noor noot nor- norb nork norn noro norr nort not- noth noto nott nron nthn ntht ntto nttr obbo obkb obok obon obor obot obrh obro ohho ohno ohob ohoh ohok ohrn ohto okko okno okok okon okor okot okro okto onno onon onor ont- onto ooho oont oooh oooo oort ootb orbb orbo orko orno oro- orok oron oror orot orro orth orto otho othr oto- otoh otok oton otoo otor otro otto rbbb rbbr rboh rhob rhoh rhon rnbr rnnt rnot rob- robb robo robt rohn rohr rokh rokk roko rokr ronk rono ront roob rook roon roor root rork roro rort roth rotk rotn roto rotr rott rrrr rthk rtkn tbrb thnk thnt thon thoo thor thot thro thtb thtr tkon tobo tobt toho toko tonb tonh tonk tonn tono tooh took toon toor toot tork torn toro torr tort toth toto totr tott trno tron troo trot trtr ttbb tton tttt

b-r-k bbook bhook bhoot bkorn bo-bo bo-ho bobko bobok bobr bohok bohon bohor bohot bokko bokok bokor bonon booko boonk boont boorn boort booth borbo borko born- borno bornt boro- borok boron boroo borot borro borth botok boton botro brobo brohn bronk bronn bront brook broon broth broto brrrr btr-t btron hhhhh hnnbo ho-ho ho-oh hobor hobro hohot honko honno honor hookt hoorn hoort hornb horno horon horro horth horto hothr hoton hotot hotto hthrt k-rob k-t-b khonb khoro knokk knork knorr knott ko-ko kohon kokko kokor kokot konno konro koorn korbo korno koron koror korro korth koton kotor kotto krohn kronk kroon kroot krtok nkotb nnooo no-no nobob nohno nohor nokko nokon nonno nonoh nonot noort norok noron norro north nortt noth- notht notno noto- notok noton notto ntoro o-bon o-r-b obhor oboro oboth obrok oh-oh oh-ok ohbot ohorn ohrob ohrot okobo okoho okoro onhbo onhot onont onoon onorn onoto onto- ontoo ooooh ooooo orbot ornon ornot orobo orono orth- ortho ortok orton ortoo othon otono ototo otrok rhoon ro-ro robbo robo- robon robor robot robrt rohob rokkk rokon rokot rokto ronk- ronko ronno ronok ronto rookh rotho rotko roto- roton rotor rotot rotto rt-rk