bbbb bbbs bnpp bnss bobb bobo bobs bonn bono bons bont boob boon boop boos boot bopp bops bosn boso boss bost botb botn boto bots bott bpot bsns bson bsos bspp bsts btbp btob btps btss bttb nbbo nbpp nbps nbsp nnnn nnos nnot nnss nntn nobo nobs non- nonn nono nons nont noo- noob noon nooo noop noos noot nops nos- noss nost not- noto nots nott npss nptn nsbo nsos nsps nssb nsso nssp nsss nstp nsts ntop ntsb ntss ntto obbo obon obos obot obsn obss obst obts onno onon onos onpt onso onst ont- onto oons oont oooo ooos oops oost ootb ootp oots opo- opon opos oppo opps optn opto opts osbp osno osoo osos ossb osso osts otbs oto- oton otoo otos otpp otso otto otts pbsp pnon pnot pnpo pnpp pobo pobs pono ponp pons pont poon poop poos poot pop- popo popp pops popt posb posn poso poss post poto pots pott ppos pppn pppo pppp ppps ppss pptn ppts pptt psbt pson psos pspp psps psso psst psts ptop s-os sbbs sbot sbsp sbst sbtn snns snob snoo snop snos snot snpo snpp sobo sobp sobs sobt son- sono sons sont soon soop soos soot sopo sopp sops soso soss sost sotn soto sotp sots spns spon spoo spop spos spot spps spso spsp spss spst sptb spto spts ssbn ssns ssop ssot sspo ssps sspt sssb ssss sstb sstp ssts stbs stnn stns stob ston stoo stop stos stot stpp stps stss tbbs tbsp tbst tbtp tnsp tnts tobo tobs tobt tonb tonn tono tons toon toos toot top- topo topp tops topt tosb toso toss tost toto tots tott tpon tppp tptp tsob tsop tsos tspn tspo tsps tspt tsst tsts ttbb tton ttop ttss tttt