mtom mtor mtrc mtrr mttr oaic oama oara obai obba obbo obia obit oboi obor obot obra obri obro ocab ocac ocam ocat ocbc occa occc occi occt ocma ocom ocra ocro ocrr oct- octa octi octo oiba oici oiii oimb oira oirt oita oitc oiti omac omai omam omao omar ombo omca omia omic omim omio omit omma omo- omoa omoi omoo omor omra omri omro ooaa ooba oobi oocr ooia ooma oooo oora oort ootb orab orac orai oram orao orar orat orba orbb orbi orbo orca orci orco ori- oria oric orio orit orma ormo oro- orom oror orot orra orri orro orta ortc orto otac otar otic otit otma oto- otoo otor otra otro otta otti otto raab raam raat raba rabb rabi rabo rac- raca racc raci raco ract raia raic raii raim rair rait rama ramb rami ramm ramo raob raoc raom rara rarb rari raro rata rati rato ratt rbbb rbbr rcac rcbc rcbo rccb rccc rcic rctc rcti riaa riab riai riam riat rib- riba ribo rica ricc rico rict riia rima rimi rimm rimo riom riot riri rita riti rito ritt roab roam roar roat rob- roba robb robi robo robt roca rocc roco roia roio roir roit roma romb romi romm romo roob rooi room roor root rora rorc rori roro rort rota rotc roti roto rotr rott rrat rrmc rrrr rtai rtca rtcc rtcm rtmc rtmi t-mo taa- taar taat taba tabb tabc tabi tabo taca tacc taci taco tact taia taim taio tair tait tama tamc tami tamm tamo taoa taom taor tara tarb tarc tari tarm taro tarr tart tata tatb tati tato tatr tatt tbar tbca tbcb tbcc tbit tbrb tbta tcam tcca tccc tcom tctc tiaa tiab tiao tiar tiba tibi tica ticc tico tiit tima timi timm timo tira tirb tiri tiro tirr tita titc titi tito titt tmaa tmac tmbc tmbr tmca tmcc tmcm tmro tmtt toab toam toat toba tobi tobo tobt toca toci toco toit toma tomb tomi tomm tomo tomt tooa toom toor toot tora torc tori torm toro torr tort tota totc toti totm toto totr tott traa trab trac trai tram trao trat trca trcc tri- tria trib tric trim trio trit trma trmb trmi troa troc troi trom troo trot trra trtc trtr ttab ttbb ttim ttma tttt