rrmp rrrr rrum rtcc rtce rtcm rtee rtfc rtfm rtmc rtmp rttp ruce ruct ruer ruet rufc rufe ruff rufo ruft rume rumm rumo rump rumt rupe rupp rupt rurc rure ruro rurp ruru rute ruto rutt rutu t-mo tccc tccu tcep tcfc tcom tcpo tctc teco tecr tect teec teef teem teer teet tefc teff teft teme temo temp temu teom teor tepe tepp tepu ter- terc tere terf term tero terp terr teru tete teto tetr tett tetu teut tfcu tfec tfot tfpt tftc tftp tmcc tmcm tmep tmou tmro tmtt toce toco toee toer toet toff tofo toft tofu tome tomm tomo tomp tomt toof toom toor toot top- tope topf topo topp topt topu torc tore torf torm toro torp torr tort toru totc tote totm toto totr tott toum toup tour tout tpcp tper tpmt tppp tppr tpte tptp tptr tput trcc tre- trec tree tref trem treo tret treu trfc trfm trfr trmu troc troe trom troo trop trot trou trpc trpe trpm trpp trtc trte trtr truc true trut truu ttcp tteo tter ttfc ttff ttoe ttop tttt tucc tuco tuer tuet tufc tufe tuff tufm tufo tuft tufu tume tump tumu tuor tupe tupo tupu turc ture turf turm turo turp turr turt turu tute tuto tutt tutu tuum tuuo u-rp uccp ucmc ucom ucrc ucut ufcu ufer uffe uftp umec umer umet umff ummo umoe umor umpc umpe umut uocc uofm uofo uomo uor- uore upmc upme upor uppc uppe uppp uppu upto upup ure- uret urfe urff urft uro- urom uroo urpo urre urte urum urup urur urut utec utep uter utfo utmp utor utto uttu uucp uuoc uutf uuuu