b-u bbb bbl bbn bbs bbu blb bll bln bls blu bnb bnl bnn bns bnu bsb bsl bsn bss bsu bub bul bun bus buu lbb lbl lbs lbu llb lll lln lls llu lnb lnl lnn lns lnu lsb lsl lsn lss lsu lub lul lun lus luu nbb nbl nbn nbs nbu nlb nll nln nls nlu nnb nnl nnn nns nnu nsb nsl nsn nss nsu nub nul nun nus nuu sbb sbl sbn sbs sbu slb sll sln sls slu snb snl snn sns snu ss- ssb ssl ssn sss ssu sub sul sun sus suu ubb ubl ubn ubs ubu ulb ull uln uls ulu un- unb unl unn uns unu usb usl usn uss usu uun uus uuu

bbbb bbbs bblb bbls blls blss blub blus bnss bsns bubb bubs bubu bulb bull buls bulu bunb bunn buns bunu buss busu buus llbs llll lsbu lubs lull lulu lunn luns luss nlls nnls nnnn nnsl nnss nsls nssb nsss nsub nubl nubs null nunn nuns nusl nuss nusu sbbs sbus slln slsu slub snns snub snus ssbn ssns sssb ssss sub- subb subl subs sul- sull sulu sun- sunb sunn suns sunu sus- suss susu suus ubls ulul ulus unns uns- unus usbl usbs uslu usnu ussb usss ussu usul usun usus uulu uuuu

bbuss blubs bulb- bulbs bull- bulls bulul bulun bulus bunun bunus bussu busuu lubun lulls lulul lulus lunns lusus n-sub nu-nu nubus nulls nunns nunun nusus s-bus slubs sluss snub- snubs snuss ssbul sssss subbu subss sulls sulus sunbs susun susus suuns ululu unnun unsu unsub unsun ussun uuuuu

bbbbbb blublu bububu bulbul bulbus bulusu lullus lunlun nbblsn nullus nusnus subsun sunbus sunsun sununu susulu ubussu unlull unsubs

bbbbbbb bulbuls sssssss sun-sun susulus

bbbbbbbb snlssnss

buln-buln snubsbuns

bbbbbbbbbbbbbbb