bbbb bbfn bbin bboy bbyo bibb bibi bibo biff bifi biin bin- bini binn bino biny bio- bioi bion birb biri birn biro birr biry bnib bnin bnor bnrr bobb bobi bobo boby boff boi- boii boin boni bonn bono bony boob boof boon boor bor- borf bori born boro borr bory boyf boyi boyn boyo brin brio brno brob bron broo bror brrr bry- bryn bryo byno byob byoi byon byrn ffff ffii ffrr fiff fifi fifo fiii fini finn fino fion fior firn firy fofo foin fono fony foof foon for- forb fori forn foro forr foyn frib frin frio frob fron fyfi fynn fyry i-by i-no ibfi ibon ibri ibro ibyi ifbb ifby iffy ifni ifno ifnr ifor ifrb ifrf ifri ifyo iiii iiio iino iioi iioo inbo inby infi info infy inni inno innr inny ino- inoi inon inor inri inro inyo iobi ioby ioii ioio ioni ionn iono ioof iooi iooo iori irby iri- irin irio iriy irob iron irri iryn n-ii nbbo nboy nfff nfib nfon nfyb nibi nibo niff niir nini nino nion nioo niro niyi nnnn nobi nobo nofi noib noif noin noio noir non- noni nonn nono noo- noob noon nooo noor nor- norb norf nori norn noro norr nory noyo nron nyny nyon nyrb nyrf nyro obbo obby obin oboi obon obor oboy obri obro off- offo offr offy ofno ofor oiii oion oiry onby onir onni onno onon onor onoy oobi ooby ooff oofy oooo oory orbb orbi orbo orby orff orfi ori- orif orin orio orni orno orny oro- orof oron oror oroy orri orro orry oyon oyri rbbb rbbr rib- ribo riby riff riif riin rinf rinn rino riny rion riri riyf riyo rnbr rnin rob- robb robi robo roby roff rofo roif roin roio roir roni rono rony roob roof rooi roon roor rori roro rory royn rrif rrrr ryff ryif rynn ryob ryon ryyf ybor ybry yiff yirb yirn yirr ynon yobi yobo yoff yoni yono yoof yoon yori yorn yoro yory yoyn yoyo yrin yrof yron yryn yyff yyyy