royn rpca rpho rpii rpob rpon rppn rpyc rrah rrna rrrr ryan ryba rybp rych ryhb ryip ryna rynn ryob ryoh ryon yaan yaar yaba yabo yacc yaco yacp yacy yahi yahn yaho yain yair yana yani yann yano yaoi yapa yapp yara yarb yari yarn yaro yarp yarr yary yaya yayo ybor ybry ycab ycao yccc ycch yhar yhon yian yina yirb yirn yirr ynca ynch ynoa ynoh ynon yoan yoar yoba yobi yobo yoch yohn yoho yona yoni yono yoon yoop yopo yopy yori yorn yoro yory yoyn yoyo ypcc ypir ypoa yrho yrin yron yryn yyyy