llll lloo llps lnso loll lolo lols lolz lono lons lool loon loop loos looz lopp lops loso losp loss lpns lppl lpss lson lspl lsso lssp lzop nlls nlsp nnls nnnn nnos nnsl nnss noll nolo nolp nols non- nonn nono nons noo- nool noon nooo noop noos nops nos- noss nppl npsl npss nslp nsls nsos nsps nsso nssp nsss nzpp ollo olon olos olsz onno onon onos onoz onso onzo oolo oons oooo ooos oops opls opo- opon opos oppo opps oslo osno osoo osos osso ozon plon ploo plop plos plpp plss pnln pnnl pnon pnpo pnpp poll polo pols pono ponp pons pool poon poop poos pop- popo popp pops posn poso poss pozo pplo ppos pppn pppo pppp ppps ppss psol pson psos pspp psps psso pzzl s-os slln sllp slon sloo slop slos slpp slps snns snoo snop snos snpo snpp soll soln solo solp sols solz son- sono sons sool soon soop soos sopo sopp sops soso soss soz- splo splp spls spns spon spoo spop spos spps spso spsp spss sslp ssns ssop sspl sspo ssps ssss szss zoll zolo zols zon- zons zoo- zool zoon zoop zoos zopl zoso zoss zozo zsss zzzs zzzz