mlab mlba mlcc mlle mmaa mmab mmac mmar mmcc mmcl mmcm mmea mmmc mmmm mmor mmrc moaa moab moac moal moam moar moba mobb mobe mobo moca mocl moco moea moel mola mole moll molo molr moma mome momo mooa moob mooc mooe mool moor mora morb more morl moro mr-c mrac mrbb mrbm mrca mrcb mrcc mrce mreb mree mrmc mrml mrrc o-eo oaer oall oama oara oare obal obba obbo obea obec obel ober obla oble oboe obol obor obra obre obro ocab ocac ocal ocam ocbc occa occc oce ocee oclc ocma ocml ocom ocra ocre ocrl ocro ocrr oec- oeca oecc oeec oela oele oeme oera oere oerm olac olam olar olba olbo olca olcc ole- olea oleo oler olla olle ollo olmo olom olor omac omal omam omao omar ombe ombo omca omee omeo omer omle omma omo- omoa omoe omoo omor omra omre omro ooaa ooba oobe oocr ooer oola oolo ooma oome oooo oora oore orab orac orae oral oram orao orar orba orbb orbe orbo orca orce orco ore- orea oreb orec orel orem oreo orer orla orle orlo orma orme ormo oro- oroe orom oror orra orro raab raam raba rabb rabe rabl rabo rac- raca racc race raco raec rael raer rala ralb rale rall ralo rama ramb rame raml ramm ramo raob raoc raol raom rara rarb rare raro rbbb rbbr rbcl rble rcac rcbc rcbo rccb rccc rcle rea- reac reae real ream reao rear reba rebb rebe rebo reca recc rece recm recr reeb reel reem rela relb rele rell relm relo rema reme remo reol rera rere rero rlab rlee rlml rmll roab roam roar rob- roba robb robe robo roca rocc roce roco roea roel roer rola role roll rolm rolo roma romb rome romm romo roob rool room roor rora rorc rore roro rrle rrmc rrrr