prlr pro- prob proe prol prom proo prop prri prrm prym pyep pyl- pyle pyli pyll pym- pyo- pype pypy pyr- pyre pyri pyrl pyro pyry rbbb rbbr rble rebb rebe rebo reeb reel reem reep reii reil reim reir relb rele rell relm relo relp rely reme remi remo remp remy reol reop repe repi repl repo repp repr repy rere reri rero rery reye rib- ribe ribo riby riel riem riep rier rile rill rilo rilp rily rime rimi rimm rimo rimy riol riom ripe ripi ripl ripp ripr rire riri riyo rlee rlml rmll rmrp rob- robb robe robi robo roby roel roer roey roil roio roir role roll rolm rolo rolp roly romb rome romi romm romo romp romy roob rooi rool room roop roor rope ropo ropy rore rori roro rory roye royl rpii rpob rpoe rrle rrmp rrrr rybe rybp ryeb ryel ryim ryip ryle ryme ryob rype yber ybor ybry yeel yeep yeer yeie yeii yeir yele yeli yell yelm yelo yelp yeme yemm yeom yepe yepp yerb yere yeri yerl yerm yero yerr yery yeye yeyi yeyo yeyr yile yili yill yipe yirb yire yirm yirr ylem ylle ylli ymel ymer ymir yobi yobo yole yoli yoll yolo yolp yoly yomi yomo yomp yool yoop yopo yopy yore yori yoro yory yoye yoyo ypir yrle yrly yyyy