bbbb bbbs bmus bnss bsms bsns bssm bubb bubs bubu bukk buku bum- bumb bums bunb bunk bunn buns bunu busk buss busu buus kbbb kbbk kbbm kbbs kbbu kbkb kbkk kbmb kbms kbnn kbnu kbsb kbsk kbsm kbsn kbss kbsu kbub kbuk kbun kbus kbuu kkbb kkbn kkbs kkkk kkmk kkms kknb kknm kknn kkns kknu kksm kksn kkss kksu kkus kkuu kmbs kmkk kmks kmmk kmmm kmms kmnb kmns kmsb kmss kmsu kmun kmus knbb knbn knbu knkk knmb knnb knnk knns knsb knsk knsm knsn knss knsu knub knuk knus ksbn ksbs kskb kskk kskn ksks ksku ksmb ksmm ksmn ksms ksmu ksnb ksnk ksnm ksnn ksns kssm kssn ksss kssu ksub ksum ksun ksuu kubb kubs kubu kukk kukn kuks kuku kumm kumu kunk kunm kuns kunu kusb kusn kusu kuub kuuk kuuu mbbs mbms mbus mkks mknk mksm mmmm mmms mmsu mmun mmus mnbb msmb msmm msms msmu mssm msun msus mubs mumm mums mumu munk munn muns munu musk muss musu nkum nnnn nnss nsbm nskk nsmb nssb nsss nsub nubk nubs nuku numb numm nums numu nunk nunn nuns nuss nusu nuuk sbbs sbus skn- skss skum skun smkb smsn smss smus snkm snns snub snum snus ssbn ssns sssb sssm ssss sub- subb subm subs suks suku sum- sums sumu sun- sunb sunk sunn suns sunu sus- susk suss susu suum suus ukum umb- umms umsu umus unkn unks unns uns- unum unus us-k usbs usmm usms usnu ussb usss ussu usun usus uuuu