pyo- pyon pypy pyr- pyri pyrl pyro pyry rccc rcic rcmp rcnl rcnr rcon rcpi rcpo rcyc ricc rico riin rill rilo rilp rily rimi rimm rimo rimy rinn rino riny riol riom rion ripi ripl ripp ripr riri riyo rlin rlml rmll rmon rmrp rnco rncp rnin rnli rocc roco roil roin roio roir roll rolm rolo rolp roly romi romm romo romp romy ronc roni rono rony rooi rool room roon roop roor ropo ropy rorc rori roro rory royl royn rpii rpon rppn rpyc rrmc rrmp rrrr ryim ryip rynn ryon yccc yili yill yirm yirn yirr ylli ymci ymir ympn ynol ynon yoli yoll yolo yolp yoly yomi yomo yomp yoni yono yool yoon yoop yopo yopy yori yorn yoro yory yoyn yoyo ypcc ypir yrin yrly yron yryn yyyy