bbbb bbbs bggs bibb bibi bibs bigb bigg bigs bigu biis bipp bips bipu bis- bisp biss bisu bpsu bsgs bspp bsup bubb bubi bubs bubu bugg bugi bugs buis buiu bups busi buss busu buus gbbs gggg ggss gibb gibs gigg gigi gigs giis gipi gipp gips giss gius gpgp gpip gpsg gpsi gpss gsis gubb gubi gubs gubu gugb gugg gugi gugu guib guis gups gusb guss guus ibis ibss ibus iggs igis igsp igus iiii iiis iisi iisp iisu ipsi ipsp ipss ipus isis isps issi issp isss issu isup isus iugs iuiu iupp iuss pbsp pgib pgpu pgss pgup pibb pibi pigb pigg pigp pigs pigu piip pipi pipp pips pisg pisi piss pisu pius ppgi ppib ppig pppp ppps ppss psgi psip psis pspi pspp psps pubs pubu pugs pugu puig puis puiu pupi pups pupu pusi puss s-ib s-ii sbbs sbig sbsi sbsp sbus sggg sggs sgps sgss sibi sibs sibu sigg sigi sigs sipi sipp sips sisi siss sisu siui sius spgb spib spig spip spis spps spsp spss spug spui spus ssgs ssis ssps sssb sssi ssss sub- subb subg subi subs sug- sugg sugi suig suis sup- supp sups sus- susi susp suss susu suus ubbi ubii ubis uggs ugis uguu uipi upis uppp uppu upsi upup usbs usgp usip usis uspp usps ussb usss ussu usui usus uusi uuuu