mmmm mmor mmpr mmrp momo moop moor moot mopp moro mort motm moto mott mppp mpro mprp mptp mrtm mrtt mtom mtor mtrr mttr omo- omoo omor ompt omro oooo oort ootp opo- opor oppo opto ormo oro- orom oror orot orro orto oto- otoo otor otpp otro otto pmmp pmpm pmpo pmrt pomo pomp poop poor poot pop- popo popp popt poro porr port poto pott pppo pppp pprm pptt pro- prom proo prop prot prrm prtm prtp prtr ptmp ptop rmrp romm romo romp room roop roor root ropo roro rort roto rotr rott rrmp rrrr rtmp rttp t-mo tmro tmtt tomm tomo tomp tomt toom toor toot top- topo topp topt torm toro torp torr tort totm toto totr tott tpmt tppp tppr tptp tptr trom troo trop trot trpm trpp trtr ttop tttt