rbcl rcac rcbc rcbo rccb rccc rcga rcgc rcic rcrg rcyc rgba rgbi riaa riab riai rial riam rib- riba ribo riby rica ricc rico riga rigg rigi rigo rigy riia rila rill rilo rily rima rimi rimm rimo rimy riol riom riri riya riyo rlab rlcg rlml rmll rmrg roab roag roam roar rob- roba robb robi robo roby roca rocc roco roga rogg rogi rogo rogy roia roig roil roio roir rola roll rolm rolo roly roma romb romi romm romo romy roob roog rooi rool room roor rora rorc rori roro rory roya royl rrmc rrrr ryal ryba ryim ryob yaar yaba yabo yacc yaco yacy yaga yagi yago yair yala yali yall yalo yama yamb yami yaml yamm yamo yaoi yara yarb yari yarl yarm yaro yarr yary yaya yayo ybor ybry ycab ycao yccc ygor yili yill yima yirb yirm yirr ylay ylla ylli ymag ymar ymca ymci ymir yoal yoar yoba yobi yobo yoga yogi yogo yola yoli yoll yolo yoly yoma yomi yomo yool yori yoro yory yoyo yrly yyyy