llll lloo loll lolo lono lont lool loon loop loot lopp lotl loto lott lppl ltnt nnnn nnot nntn noll nolo nolp nolt non- nonn nono nont noo- nool noon nooo noop noot not- noto nott nppl nptn ntop ntto ollo olon olot onno onon onpt ont- onto oolo oont oooo ootp opo- opon oppo optn opto oto- oton otoo otpp otto plnt plon ploo plop plot plpp pltt pnln pnnl pnon pnot pnpo pnpp pntl poll polo polt pono ponp pont pool poon poop poot pop- popo popp popt poto pott pplo pppn pppo pppp pptn pptt ptol ptop tlon tol- toll tolo tolt tonn tono tool toon toot top- topo topp topt toto tott tpol tpon tppp tptp tton ttop tttt