b-u bbb bbi bbl bbs bbu bi- bib bii bil bis biu blb bli bll bls blu bsb bsi bsl bss bsu bub bui bul bus buu ibb ibi ibl ibs ibu iib iii iil iis iiu il- ilb ili ill ils ilu is- isb isi isl iss isu iu- iub iui ius lbb lbi lbl lbs lbu lib lii lil lis liu llb lli lll lls llu lsb lsi lsl lss lsu lub lui lul lus luu sbb sbi sbl sbs sbu sib sii sil sis siu slb sli sll sls slu ss- ssb ssi ssl sss ssu sub sui sul sus suu ubb ubi ubl ubs ubu uib uii uil uis uiu ulb uli ull uls ulu usb usi usl uss usu uus uuu

bbbb bbbs bblb bbls bibb bibi bibl bibs biis bili bill bils bilu bis- bisl biss bisu blis blls blss blub blus bubb bubi bubs bubu buis buiu bulb buli bull buls bulu busi buss busu buus ibis ibss ibus iiii iiis iisi iisu ilis ill- illi ills ilus isbl isil isis isls issi isss issu isus iuiu iuss libs libu liii liis lilb lili lill lils lilu lisi liss lisu lius llbs llll lsbu lubs luis luli lull lulu lusi luss s-ib s-ii sbbs sbsi sbus sibi sibs sibu sil- sili sill sils silu sisi siss sisu siui sius sl-i slib slsu slub ssis sssb sssi ssss sub- subb subi subl subs suis sul- suli sull sulu sus- susi suss susu suus ubbi ubii ubis ubli ubls ulli ulul ulus usbl usbs usis uslu ussb usss ussu usui usul usus uulu uusi uuuu

bbuss bibbs bibis bibus bilbi bili- bilis billi bills billu bilsi bliss blubs bulb- bulbi bulbs buliu bull- bulli bulls bulul bulus bussu busuu ibill iblis iiiii ilisu illui illus ilulu is-is isbul isili isill isisi issus issuu isuli isuus iuliu iulus libis libus liisi lilis liliu lilli lilus lisis liss- lissu liuli lulli lulls lulul lulus lusis lusus s-bus s-iii sibiu sibli sibsu sibul siili silli sills sisil sisis sisli sissi sissu siusi sliss slubs sluis sluss ssbul sssss subbu subis subli subss suibu sulis sulli sulls sulus susil susus ubisi uibis ululu usuli ususi uusis uuuuu

bbbbbb biblis biblus bilbul bissli blublu bububu bulbil bulbul bulbus bullis bulusu ibilib ibliss libbis libusb lilius lillis lilliu liulis llubi lubuli lullus siiiii silili silius sillub sisisi sisulu slubbi subisu sulili susulu ubussu

bbbbbbb bibulus billibi bissibi bissill blissus bulbils bulbuls bulilis ilbisil isbliss lulibub lullubi sibilus sssssss subsill suillus susulus

bbbbbbbb bilbilis bilibili billi-bi i-ii-iii ibisbill iblul-il illbliss silisili sillibub sullibib

ibisbills issisisis sisillius

bbbbbbbbbbbbbbb billsbillsbills

iiiiiiiiiiiiiiiis