bbbb bbbs bbhs bblb bbls bhhs bhuu blhs blls blss blub blus bly- blys bshs bubb bubs bubu buhl buhs buhy bulb bull buls bulu bush buss busu busy buus buyl buys buyu bysb bysl byss bysy byul hbbs hbhs hbss hhhh hhhs hhus hlhs hlly hlss hlul hshs hsls hubb hubl hubs huby huhs huhu hull huls hulu huly hush huss huub huus hyl- hyll hyly lbhs lhbs lhhh lhhs lhss llbs llhs llll lsbu lshs lubs luby luhu lull lulu lush luss luys lyly lys- lysl lyss sbbs sbhs sbus shbs shhh shhs shl- shls shub shul shus shuu shuy slhs slsu slub slys ssby sshl sshs sssb sssh ssss sub- subb subh subl subs suhb suhl sul- sulh sull sulu sus- suss susu susy suus suyu syl- syll syls syss ubls ubly uhss uhuh ully ulul ulus ulys usbl usbs ushs ushu uslu ussb usss ussu ussy usul usus uulu uuuu ybbs ylls ysby yssh yssu ysyb yubu yuls yulu yush yuyu yyyy