-ous bbbb bbbs bblb bbls blls blob blom bloo blop blou blsp blss blub blum blup blus bmop bmus bobb bobo bobs bobu boll bolm bolo bols bolu bomb bomp boms bomu boob bool boom boop boos bopp bops bosm boso boss bosu boul boum boup bous bpml bpms bpsu bsms bsos bspp bssm bsup bubb bubo bubs bubu bulb bull buls bulu bum- bumb bump bums buol bups buss busu buus lbms lbos llbs llll llms lloo llps lmbo lmms lob- lobb lobo lobs loll lolo lols lomb lomm lomo lomp loms lomu loob lool loom loop loos lopp lops lopu loso losp loss loul loum loup lous louu lppl lpss lsbu lspl lsso lssp lubs lull lulu lumb lumo lump lums lupo lupu luso luss luup mbbs mbms mbou mbps mbsl mbus mlps mlss mmlp mmmm mmms mmpu mmsu mmus mobb mobo mobs moll molo mols momo moms momu moob mool moop moos mopp mops moso moss mosu moul moup mous mplm mpls mppp mpps mslp msmb msml msmm msms msmu msol msop mspb mspp mssm mssp msus mubo mubs mull mulm mulo mulu mumm mumo mump mums mumu muos mups musl muso muss musu obbo obls oblu obol obos obss obus olbo ollo olmo olms olom olos ombo ombu omo- omoo ompl omps omul omuo omus oolo ooms oooo ooos oops oous opls opml opms opo- opos oppo opps opsm opsu opus osbp oslo osm- osmo osoo osos ospm ossb osso ossu osul osum oubs ouls oulu ouu- pblu pbsp plmb plms plob plom ploo plop plos plou plpp plss plum plup plus pmmp pmmu pmos pmpm pmpo pmsl pobo pobs poll polo pols polu pomo pomp poms pomu pool poop poos pop- popo popp pops posb poso poss poul poum poup pous pplo ppml ppms ppos pppo pppp ppps ppss psol psos psou pspp psps pssm psso publ pubs pubu pull pulo pulp puls pulu pump pupl pups pupu puss s-os sbbs sbml sbsp sbus slbp sllm sllp slmm slob sloo slop slos slpp slps slsu slub slum slup smls smol smos smps smsp smss smus sobo sobp sobs sobu soll solo solp sols somb soml somm somo sool soom soop soos sopo sopp sops sopu soso soss soul soum soup sous splo splp spls spms spoo spop spos spps spso spsp spss spus sslp ssml ssop sspl sspo ssps sssb sssm ssss sub- subb subl subm subo subs sul- sull sulm sulo sulp sulu sum- sumo sump sums sumu suos sup- supo supp sups sus- suso susp suss susu suum suus ubbo ublo ubls ubos ullo ulmo ulmu ulo- ulos ulul ulum ulus umb- umbo ummo umms umol umps umsp umsu umus uoml uomo uplb uplo upml upos uppp uppu upup usbl usbs uslp uslu usmm usmp usms usos uspo uspp usps ussb usss ussu usul usus uulu uuuu