ffff ffrr fftf fmno fmnp fofo fomo fomp fomt fono font foof foom foon foot fopp for- form forn foro forr fort fotm foto fotp fott fprf frmn from fron frop frot ftop mfor mfrp mftf mmff mmmm mmor mmpr mmrf mmrp mnop mnpo mntn moff mofo momo mon- monn mono mont moon moop moor moot mopp morf morn moro mort motm moto mott mppf mppp mprf mpro mprp mptp mron mrtm mrtn mrtt mtff mtnt mtom mtor mtpn mtrr mttr nfff nfon nfto nmff nmfp nmnt nmon nnmt nnnn nnot nnpr nntn nom- nomo non- nonn nono nont noo- noon nooo noop noor noot nor- norf norm norn noro norr nort not- noto nott nprm nprt nptn nron nrpn ntfp ntof ntop nttm ntto nttr off- offo offr ofno ofor oftp omn- omo- omon omoo omor ompt omro onno onon onor onpt ont- onto ooff oont oooo oort ootp opo- opon opor oppo optn opto orff ormn ormo orno oro- orof orom oron oror orot orro orto otfp oto- otof oton otoo otor otpp otro otto pfff pffr pfft pmmp pmpm pmpo pmrt pnnm pnom pnon pnot pnpo pnpp pnro pntm pntr poff pomo pomp pono ponp pont poof poon poop poor poot pop- popo popp popt porn poro porr port potf poto pott pppn pppo pppp pprf pprm pptn pptt prnp pro- prof prom pron proo prop prot prrm prtm prtp prtr ptmp ptop ptrf rmon rmrp rnnt rnot rntp roff rofo romm romo romp rono ront roof room roon roop roor root ropo roro rort rotn roto rotr rott rpof rpon rppn rptn rrmp rrrr rtfm rtmp rttp t-mo tfnp tfot tfpt tftp tmnt tmro tmtt toff tofo toft tomm tomo tomp tomt tonn tono toof toom toon toor toot top- topf topo topp topt torf torm torn toro torp torr tort totm toto totr tott tpmt tpon tppp tppr tptp tptr trfm trfr trno trom tron troo trop trot trpm trpn trpp trtr ttff ttfn tton ttop tttt