bbbb bbin bhir bhoi bhor bibb bibi bibo bihi biin bin- binh bini binn bino bio- bioi bion birb biri birn biro birr bnib bnin bnor bnrr bobb bobi bobo bohn boho bohr boi- boii boin boni bonn bono boob booh boon boor bor- borh bori born boro borr brih brin brio brno brob broh bron broo bror brrr h-ii hbio hhhh hibi hihi hiho hinn hino hiob hiri hirn hiro hnoi hobo hohn hoho hoir honi hono hoon hoor hori horn horo horr hrib hrob hron i-no ibon ibri ibro ihob iiii iiio iino iioi iioo inbo inni inno innr ino- inoi inon inor inri inro iobi ioii ioio ioni ionn iono iooi iooo iori iri- irin irio irob iroh iron irri n-ii nbbo nhnn nhon nibi nibo niir ninh nini nino nioh nion nioo niro nnnn nobi nobo nohn noho noib noin noio noir non- noni nonn nono noo- noob noon nooo noor nor- norb nori norn noro norr nron obbo obin oboi obon obor obrh obri obro ohhi ohho ohio ohno ohob ohoh ohrn oiii oion onir onni onno onon onor oobi ooho oooh oooo orbb orbi orbo ori- orin orio orni orno oro- oron oror orri orro rbbb rbbr rboh rhib rhin rhio rhob rhoh rhon rib- ribo riho riin rinn rino rion riri rnbr rnin rob- robb robi robo rohn rohr roin roio roir roni rono roob rooi roon roor rori roro rrrr