prpd prrd pyao pyay pych pyg- pygg pyo- pypy pyr- pyra pyro pyry raad raag rac- raca racc rach raco racy rada radc radd radh rado radr raga ragg ragh rago raha rahr rahy raoc raoh raop rapa rapc rapd raph rapp rapy rara raro rary raya rayd rayr rcac rccc rcdc rcga rcgc rcpd rcpo rcrd rcrg rcyc rdac rdap rdoc rdpc rhag rhap rhcg rhcp rhoa rhoc rhod rhog rhoh rhyd road roag roap roar roca rocc roch roco roda rodd rodo rody roga rogg rogh rogo rogy roha rohr rohy rood roog roop roor ropa ropo ropy rora rorc roro rory roya royd rpca rpdp rpga rpho rpyc rrad rrah rrrr ryad rych ryda rydy ryoh yaar yacc yaco yacp yacy yada yado yaga yago yaho yapa yapp yara yard yaro yarp yarr yary yaya yayo ycao yccc ycch ydad yday ygor yhad yhar yhyd yoar yoch yoda yodh yodo yoga yogh yogo yoho yood yoop yopo yopy yord yoro yory yoyo ypcc ypoa yrad yrho yyyy