bbbb bbbs bblb bbls blkb blls blss blub blum blus bmus bnml bnss bsms bsns bssm bubb bubs bubu bukk buku bulb bulk bull buls bulu bum- bumb bums bunb bunk bunn buns bunu busk buss busu buus kbbb kbbk kbbl kbbm kbbs kbbu kbkb kbkk kbkl kblb kbll kblm kbls kblu kbmb kbms kbnl kbnn kbnu kbsb kbsk kbsm kbsn kbss kbsu kbub kbuk kbul kbun kbus kbuu kkbb kkbl kkbn kkbs kkkk kklb kkll kkln kkls kkmk kkml kkms kknb kknm kknn kkns kknu kksm kksn kkss kksu kkus kkuu klbb klbl klbm klbn klbs klbu klkk klkl klkn klks kllb kllk klls klmk klmm klmn klms klnn klsm klsn klsu klub kluk klum klun kluu kmbl kmbs kmkk kmkl kmks kmlb kmlk kmls kmlu kmmk kmml kmmm kmms kmnb kmns kmsb kmsl kmss kmsu kmul kmun kmus knbb knbn knbu knkk knlb knlm knls knmb knml knnb knnk knns knsb knsk knsl knsm knsn knss knsu knub knuk knus ksbl ksbn ksbs kskb kskk kskn ksks ksku kslb kslk ksll kslm ksln kslu ksmb ksml ksmm ksmn ksms ksmu ksnb ksnk ksnl ksnm ksnn ksns kssl kssm kssn ksss kssu ksub ksum ksun ksuu kubb kubs kubu kukk kukl kukn kuks kuku kulb kull kulm kuln kulu kumm kumu kunk kunm kuns kunu kusb kusn kusu kuub kuuk kuul kuuu lbms llbs llks llll llms lmln lmms lnnk lsbu lubs lull lulu lumb lums lunk lunn luns lusk luss luuk mbbs mbms mbsl mbus mkks mknk mksm mlss mmmm mmms mmsu mmun mmus mnbb mnls msmb msml msmm msms msmu mssm msun msus mubs mulk mull mulm mulu mumm mums mumu munk munn muns munu musk musl muss musu nkum nlls nmls nmml nnls nnnn nnsl nnss nsbm nskk nsls nsmb nssb nsss nsub nubk nubl nubs nuku null numb numm nums numu nunk nunn nuns nusl nuss nusu nuuk sbbs sbml sbus skn- skss skul skum skun sllm slln slmm slsu slub slum smkb smls smsn smss smus snkm snns snub snum snus ssbn ssml ssns sssb sssm ssss sub- subb subl subm subs suks suku sul- sulk sull sulm sulu sum- sums sumu sun- sunb sunk sunn suns sunu sus- susk suss susu suum suus ubls ukum ulmu uluk ulul ulum ulus umb- umms umsu umus unkl unkn unks unns uns- unum unus us-k usbl usbs uslu usmm usms usnu ussb usss ussu usul usun usus uulu uuuu