bbbb bboy bbyo bhor bhot bhoy bhrt bobb bobo boby boho bohr boht bohy boob booh boor boot bor- borh boro borr bort bory botb both boto bott boty boyo brob broh broo bror brot brrr bry- bryo btob btor btrt btry bttb byob byrt byth hhhh hobo hoby hoho hoor hoot horo horr hort hory hotb hoth hoto hotr hott hoyt hrob hrtb hryb htoh httr hybo hyo- hyrt obbo obby obor obot oboy obrh obro ohho ohob ohoh ohto ohyo ooby ooho oooh oooo oort oory ootb ooty orbb orbo orby oro- oror orot oroy orro orry orth orto otho othr oto- otoh otoo otor otoy otro otry otto otyr rbbb rbbr rboh rhob rhoh rob- robb robo robt roby rohr rohy roob roor root roro rort rory roth roto rotr rott roty royt rrrr ryhb ryob ryoh ryot ryth rytt ryyt tbrb thoo thor thot thro thtb thtr thyh to-y tobo tobt toby toho tooh toor toot toro torr tort tory toth toto totr tott toty toyb toyo toyt troo trot troy trtr try- tryb tryo ttbb ttoy tttt tybo tyht tyr- tyro tyrr tyto tytt tyty ybor ybry yobo yoho yoot yoro yort yory yott yoyo yrho ytht yyyy