bbbb bbbs bbhs bblb bbls bhhs bhuu blhs blls blss blub blus bnhs bnss bshs bsns bubb bubs bubu buhl buhs bulb bull buls bulu bunb bunn buns bunu bush buss busu buus hbbs hbhs hbss hhhh hhhs hhus hlhs hlss hlul hnhs hshs hsls hubb hubl hubs huhn huhs huhu hull huls hulu hunh huns hush huss huub huus lbhs lhbs lhhh lhhs lhss lhun llbs llhs llll lnhs lsbu lshs lubs luhu lull lulu lunn luns lush luss nbhs nhhl nhhs nhnn nlhs nlls nnhs nnls nnnn nnsl nnss nshs nsls nssb nsss nsub nubl nubs null nunn nuns nush nusl nuss nusu sbbs sbhs sbus shbs shhh shhs shl- shls shub shul shun shus shuu slhs slln slsu slub snhs snns snub snus ssbn sshl sshs ssns sssb sssh ssss sub- subb subh subl subs suhb suhl sul- sulh sull sulu sun- sunb sunn suns sunu sus- suss susu suus ubls uhss uhuh ulul ulus unns uns- unus usbl usbs ushs ushu uslu usnu ussb usss ussu usul usun usus uulu uuuu