mmmm mmms mmyy momo moms momy moop moos mopp mops mopy moso moss mosy moyo mppp mpps mpys msmm msms msop mspp mspy mssm mssp mymp mymy myo- myos mypo mys- myss myys omo- omoo omps ooms oooo ooos oops opms opo- opos oppo opps oppy opsm opsy osm- osmo osoo osos ospm osso ossy osyp oyss pmmp pmos pmpm pmpo pomo pomp poms pomy poop poos pop- popo popp pops popy poso poss posy poyo poys ppms ppos pppo pppp ppps ppss psos pspp psps pssm psso psy- psys pym- pyms pyo- pyos pypy pyss s-os smos smoy smps smsp smss somm somo somy soom soop soos sooy sopo sopp sops sopy soso soss soyo soys spms spoo spop spos spoy spps spso spsp spss spy- spys ssop sspo ssps sssm ssss sym- syms sypo syso syss yomo yomp yoop yopo yopy yoso yoyo ysop yyyy