mrmd mrml o-eo obbo obed obel ober obid obie oble oboe oboi obol obor obre obrh obri obro odbo oddd oddi oded odei odel odem odeo oder odie odio odir odle odmr odoh odom odoo odor odrl oedo oeid oeil oele oeme oere oerm ohbe ohed ohee ohel oher ohhi ohho ohid ohio ohme ohob ohoh ohre oido oier oiii oimb oime oire olbo oldb olde oldh ole- oled oleh olei oleo oler olhm olib olid olie olim olio olle olli ollo olmi olmo olom olor ombe ombo omdb omed omee omei omeo omer omid omie omim omio omle omo- omoe omoi omoo omor omre omri omro oobe oobi oodi ooer ooho ooid oold oolo oome oooh oooo oord oore orbb orbe orbi orbo orde ordo ore- oreb ored oreh orel orem oreo orer orhe ori- orid orie oril orio orle orlo orme ormo oro- oroe orom oror orri orro rbbb rbbr rble rboh rdbm rder rdio rebb rebe rebo redd rede redh redi redl redo redr reeb reed reel reem rehb rehe rehi rehm reid reii reil reim reir relb reld rele rell relm relo reme remi remo reod reol rerd rere reri rero rheb rhee rhem rheo rhib rhim rhio rhli rhob rhod rhoh rib- ribe ribo ridd ride ridi rido ried riel riem rier riho rile rill rilo rime rimi rimm rimo riol riom rire riri rlee rlml rmll rob- robb robe robi robo rodd rode rodi rodo roed roel roer rohe rohl rohm rohr roid roil roio roir rold role roll rolm rolo romb romd rome romi romm romo roob rood rooi rool room roor rore rori roro rred rrle rrrr