bbbb bbrg bhir bhog bhoi bhor bibb bibi bibo bigb bigg bigo bihi bikh biko bio- biog bioi birb birg biri birk biro birr bobb bobi bobo bogg bogh bogi bogo boho bohr boi- boii boki boko boob boog booh book boor bor- borg borh bori bork boro borr brig brih brik brio brkb brob brog broh brok broo bror brrr gbbo gggg gghg ghib ghoi gibb gibh gigg gigi gigo gikh giog gioi girg giri girk giro girr gobi gobo gogh gogi gogo gohb goog gooi gook goor gorb gorg gori goro gorr grbr grib grig grob grog groh groi grok groo gror grrr h-ii hbio hhgg hhhh hibi high higi hihi hiho hiki hiob hiri hirk hiro hkir hobo hogg hogh hogi hogo hoho hoik hoir hoki hoko hook hoor horg hori hork horo horr hrib hrob i-go ibri ibro igbo igoo igor igri ihob iiii iiio iioi iioo ikig ikki ikko ikoo ikri iobi ioii ioio ioko iooi iooo iorg iori iri- irig irio irki irob iroh irri kbbb kbbg kbbi kbbk kbbo kbbr kbgb kbgg kbgh kbgo kbgr kbhb kbhh kbhi kbhr kbib kbig kbik kbio kbkb kbkg kbkk kbko kbkr kbob kboi kbok kboo kbrb kbrg kbrh kbri kbrk kbro kgbb kgbr kggg kggi kggo kggr kghr kgio kgir kgor kgrb kgrg kgri kgrk kgro kgrr khbr khgg khhg khhk khho khii khio khki khkk khkr khob khoi khok khor khri khrk khro khrr kibb kibg kibi kibo kibr kigo kihh kihi kihk kiho kihr kiii kiik kiki kikk kiko kikr kioh kioi kiok kioo kirb kiri kirk kiro kirr kkbb kkbg kkbi kkbo kkbr kkgb kkgo kkgr kkhb kkhh kkhi kkhk kkhr kkik kkkk kkob kkoh kkoo kkor kkrb kkrh kkrk kkro kkrr kobb kobi kobk kobo kobr kogb kogg kogh kogi kogo kohh kohi koho kohr koii koir kokb kokh koki kokk koko kokr koob koog kooi kook kooo koor korb korg kori kork koro korr krbb krbg krbi krbk krbr krgi krib krik krio krkh krki krkk krko krkr krob krog kroh kroi krok kroo kror krrb krrg krri krrk krro krrr obbo obkb oboi obok obor obrh obri obro ogb oggi oghi ogog ogoi ogri ogro ohgr ohhi ohho ohio ohob ohoh ohok oigo oiii oiko okgo okir okko okok okor okro oobi ooho oooh oooo orbb orbi orbo orgo ori- orig orio orko oro- orok oror orri orro rbbb rbbr rbgh rboh rgbi rhbg rhib rhio rhob rhog rhoh rib- ribo rigg righ rigi rigo riho riki rikk riri rob- robb robi robo rogg rogh rogi rogo rohr roig roik roio roir rokh roki rokk roko rokr roob roog rooi rook roor rori rork roro rrrr