bbb bbi bbk bbo bbr bi- bib bii bik bio bir bkb bkk bko bkr bob boi bok boo bor brb bri brk bro brr ibb ibi ibk ibo ibr iib iii iio iir ikb iki ikk iko ikr io- iob ioi ioo ior ir- irb iri irk iro irr kbb kbi kbk kbo kbr kib kii kik kio kir kkb kki kkk kkr kob koi kok koo kor kri krk kro krr o-i ob- obb obi obk obo obr oib oii oik oio oir okb oki okk oko okr oo- oob ooi ook ooo oor or- orb ori ork oro orr rbb rbi rbk rbo rbr rib rii rik rio rir rkb rkk rko rob roi rok roo ror rrb rri rrk rrr

bbbb bibb bibi bibo biko bio- bioi birb biri birk biro birr bobb bobi bobo boi- boii boki boko boob book boor bor- bori bork boro borr brik brio brkb brob brok broo bror brrr ibri ibro iiii iiio iioi iioo ikki ikko ikoo ikri iobi ioii ioio ioko iooi iooo iori iri- irio irki irob irri kbbb kbbi kbbk kbbo kbbr kbib kbik kbio kbkb kbkk kbko kbkr kbob kboi kbok kboo kbrb kbri kbrk kbro kibb kibi kibo kibr kiii kiik kiki kikk kiko kikr kioi kiok kioo kirb kiri kirk kiro kirr kkbb kkbi kkbo kkbr kkik kkkk kkob kkoo kkor kkrb kkrk kkro kkrr kobb kobi kobk kobo kobr koii koir kokb koki kokk koko kokr koob kooi kook kooo koor korb kori kork koro korr krbb krbi krbk krbr krib krik krio krki krkk krko krkr krob kroi krok kroo kror krrb krri krrk krro krrr obbo obkb oboi obok obor obri obro oiii oiko okir okko okok okor okro oobi oooo orbb orbi orbo ori- orio orko oro- orok oror orri orro rbbb rbbr rib- ribo riki rikk riri rob- robb robi robo roik roio roir roki rokk roko rokr roob rooi rook roor rori rork roro rrrr

b-r-k bbook bibbo bibio bibri bikok bioko bo-bo bobbi bobik bobko bobok bobr bobri boiro bokko bokok bokor booki booko borbo borik borio borko boro- borok boroo borro brobo brook brrrr ibibo ibook ibrik iiiii ikobo ikoro ioooi ioooo iorio iriki irobo iroko irori k-rob kibbi kibbo kibi- kibor kiiki kikki kikko kikoi kioko kirki ko-ko kobri koiri kokir kokki kokko kokoi kokor kooki koori korbo korki koror korri korro kribi o-r-b oboro obrok oiko- okobo okoki okoro ooioo ooooo oribi orobo ribbi ribo- rikki ro-ro robbi robbo robik robo- robor rokki rokkk rorik

bbbbbb bibiri bibrik bikoro biobor biribi birori bobbio bobiri bobrok bokoro booboo bookii borbor boriki boroko bororo bribir bribri brokkr ibibio iiooio ikoiko kibbor kibiro kiboko kikiki kikkik kikoko kikori kiokio kiriko kiriri kiroro kobior koboko kobori kokori kokoro kookoo korkor kororo korrio krikor oborki obroki ookroo oooooo orobii ribbok rikrok robbio roibok rokkor

bbbbbbb biobio birkoor bok-bok boo-boo boobook iririki kobroor koi-koi kor-kor korkoro kri-kri obikiik oriki oroboro robiboo rooibok

bbbbbbbb bo-bo-bo i-ii-iii iooooooo kikoriki kobikoro kokborok riroriro roborior

biro-biro borborbor

bokikokiko ikko-ikki

bobbi-bobbi

bbbbbbbbbbbbbbb ioooooooooooooo