bbbb bbbs bblb bbls bggs bgst blbt blls blsp blss blst blts blub blup blus blut bpsu bsgs bspp bsts bsup btbp btlp btps btss bttb btus bubb bubs bubu bugg bugs bulb bulg bull buls bult bulu bups buss bust busu but- buts butt buus gbbs ggbt gggg ggss gltp glub glug glut gpgp gpsg gpss gspt gubb gubs gubu gugb gugg gugu gulb gull gulp guls gult gulu gups gusb guss gust guts gutt gutu guus lbgt lbug lgbt lgbu lgts llbs llll llps lppl lpss lptb lsbu lspl lssp lsts ltbl ltgs ltps ltsp lubs lugg lugs lugu lull lulu lupu luss lust luts luup pblu pbsp pgpu pgss pgup plbg plpp plss pltg pltt plug plup plus pppp ppps ppss ppts pptt psbt psgl pspp psps psst psts pstu ptbl ptgs publ pubs pubu pugs pugu pull pulp puls pult pulu pupl pups pupu puss pust put- puts putt putu sbbs sbsp sbst sbus sggg sggs sgls sgps sgss sgts slbp sllp slpp slps slst slsu slts slub slug slup slut spgb spgt splp spls spps spsp spss spst sptb spts spug spus sput ssgs ssgt sslp sslt sspl ssps sspt sssb ssss sstb sstl sstp ssts stbs stlg stlt stpp stps stss stub stug stul stup stus stut sub- subb subg subl subs sug- sugg sul- sull sulp sult sulu sup- supp sups supt sus- susp suss sust susu sutu suus tbbs tbgs tbsp tbst tbtp tgts tpbg tpls tppp tptp tput tsgt tsps tspt tssg tsst tsts tsup ttbb ttss tttt ttul tubb tubs tubu tugg tugs tugu tull tulp tulu tups tupu tuss tust tutl tuts tutt tutu ubls uggs uggt uguu ults ultt ulul ulus uplb uppp uppu uptl upup usbl usbs usgp uslp uslu uspp usps ussb usss usst ussu ustb ustp usts usul usus utsl uttu utug uulu uuuu