bbb bbk bbo bbr bbt bkb bkk bko bkr bkt bob bok boo bor bot brb brk bro brr brt btb btk bto btr btt k-t kbb kbk kbo kbr kkb kkk kkr kkt kob kok koo kor kot krk kro krr krt ktb ktk kto ktr ktt ob- obb obk obo obr obt okb okk oko okr oo- oob ook ooo oor oot or- orb ork oro orr ort ot- otb otk oto otr ott rbb rbk rbo rbr rbt rkb rkk rko rkt rob rok roo ror rot rrb rrk rrr rrt rtb rtk rto rtr rtt tbb tbk tbo tbr tbt tkb tkk tko tkr tkt to- tob tok too tor tot trb trk tro trr trt ttb ttk tto ttr ttt

bbbb bobb bobo boko boob book boor boot bor- bork boro borr bort botb boto bott brkb brob brok broo bror brot brrr btob btor btrt bttb kbbb kbbk kbbo kbbr kbbt kbkb kbkk kbko kbkr kbob kbok kboo kbot kbrb kbrk kbro kbrt kbtb kbtk kbto kbtr kbtt kkbb kkbo kkbr kkbt kkkk kkob kkoo kkor kkot kkrb kkrk kkro kkrr kkrt kktk kobb kobk kobo kobr kokb kokk koko kokr koob kook kooo koor koot korb kork koro korr kort kotb kotk koto kotr kott krbb krbk krbr krbt krkk krko krkr krob krok kroo kror krrb krrk krro krrr krrt krtk krto krtr ktbb ktbr ktbt ktkb ktkk ktko ktkr ktkt ktob ktok ktoo ktor ktot ktrb ktrk ktro ktrr ktrt kttk ktto kttr kttt obbo obkb obok obor obot obro okko okok okor okot okro okto oooo oort ootb orbb orbo orko oro- orok oror orot orro orto oto- otok otoo otor otro otto rbbb rbbr rob- robb robo robt rokk roko rokr roob rook roor root rork roro rort rotk roto rotr rott rrrr tbrb tobo tobt toko took toor toot tork toro torr tort toto totr tott troo trot trtr ttbb tttt

b-r-k bbook bo-bo bobko bobok bobr bokko bokok bokor booko boort borbo borko boro- borok boroo borot borro botok botro brobo brook broto brrrr btr-t k-rob k-t-b ko-ko kokko kokor kokot korbo koror korro kotor kotto kroot krtok o-r-b oboro obrok okobo okoro ooooo orbot orobo ortok ortoo ototo otrok ro-ro robbo robo- robor robot robrt rokkk rokot rokto rotko roto- rotor rotot rotto rt-rk tbtbt tobor tobot tokko toko- tokor torob torok torro torto toto- totok totoo trott ttttt

bbbbbb bobrok bokoro booboo borbor boroko bororo botoko botoro brokkr brotto koboko kokoro kokott kookoo kootoo korkor kororo kotoko ookroo oooooo ottoor roboto rokkor rotork toboot tookto tootoo tororo tortor totoro totrot trotro

bbbbbbb bok-bok boo-boo boobook kobroor kor-kor korkoro kottoor oroboro ottrott rootrot tokobot too-too tototoo tro-tro

bbbbbbbb bo-bo-bo kokborok tokotoko toottoot torbrook torotoro

borborbor

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