bbbb bboy bbyo bftt bhff bhor bhot bhoy bhrt bobb bobo boby boff bofh boho bohr boht bohy boob boof booh boor boot bor- borf borh boro borr bort bory botb both boto bott boty boyf boyo brob broh broo bror brot brrr bry- bryo btob btor btrt btry bttb byob byrt byth ffff ffrr fftf fobt fofo fohr foof foot for- forb foro forr fort foth foto fott foty foyt frob froh frot ftfy fyry hhhh hhof hobo hoby hoff hoho hoof hoor hoot horo horr hort hory hotb hoth hoto hotr hott hoyt hrob hrtb hryb htoh httr hybo hyfr hyo- hyrt obbo obby obor obot oboy obrh obro off- offh offo offr offy ofor ohho ohob ohoh ohto ohyo ooby ooff oofy ooho oooh oooo oort oory ootb ooty orbb orbo orby orff oro- orof oror orot oroy orro orry orth orto otho othr oto- otof otoh otoo otor otoy otro otry otto otyr rbbb rbbr rboh rhob rhoh rob- robb robo robt roby roff rofo rohr rohy roob roof roor root roro rort rory roth roto rotr rott roty royt rrrr rtbf rtfb ryff ryft ryhb ryob ryoh ryot ryth rytt ryyf ryyt tbrb tbyf tfot thof thoo thor thot thro thtb thtr thyf thyh to-y tobo tobt toby toff tofo toft toho toof tooh toor toot torf toro torr tort tory toth toto totr tott toty toyb toyo toyt trfr troo trot troy trtr try- tryb tryo ttbb ttff ttoy tttt tybo tyff tyft tyht tyr- tyrf tyro tyrr tyto tytt tyty ybor ybry yobo yoff yoho yoof yoot yoro yort yory yott yoyo yrho yrof ytht yyff yyyy