bbbb bbng bbpr bbrg bgun bkpg bkpr bnpp bnrr brkb brrr brug brun brup bubb bubu bugg bukk buku bunb bung bunk bunn bunu bur- burb burg burk burn burp burr buru gggg ggrn gkrp gnrr gpgp gprp grbr grrr grub grug grun grur gubb gubu gugb gugg gugu gung gunk gunn gurb gurg gurk gurn gurr guru kbbb kbbg kbbk kbbr kbbu kbgb kbgg kbgn kbgr kbkb kbkg kbkk kbkr kbng kbnn kbnp kbnr kbnu kbpg kbpk kbpn kbpr kbpu kbrb kbrg kbrk kbrn kbru kbub kbuk kbun kbup kbur kbuu kgbb kgbn kgbr kggg kggr kgnb kgng kgnr kgnu kgpg kgpr kgrb kgrg kgrk kgrn kgrr kkbb kkbg kkbn kkbr kkgb kkgr kkkk kknb kknn kknu kkpk kkpn kkrb kkrk kkrn kkrr kkup kkuu knbb knbn knbr knbu kngn kngr knkk knnb knng knnk knnr knpb knpr knrb knrg knrk knub knuk knur kpbb kpbg kpbr kpgb kpgg kpgr kpkk kpkr kpng kpnp kppk kppp kppr kprb kprg kprk kprn kprp kprr kpru kpub kpug kpur krbb krbg krbk krbr krgn krkk krkn krkr krku krnb krng krnk krnn krnp krnu krpr krpu krrb krrg krrk krrn krrr krug kruk krun krup krur kubb kubr kubu kugb kugn kugr kukk kukn kuku kung kunk kunp kunr kunu kupb kupr kupu kurb kurk kurr kuru kuub kuuk kuur kuuu n-up nbpp ngur nguu nkgb nngn nnnn nnpr nrpn nubk nuku nung nunk nunn nurn nurp nurr nuru nuuk pbpk pgpu pgup pnkp pnpp pnup pppn pppp ppru ppur prnp pruu pubu pugu puku pung punk punu pupu pur- purb purg purp purr puru rbbb rbbr rnbr rppn rrrr rrun rubb rubp rubu rugg rukk rukn ruku rung runk runn rupp rurp ruru ruun u-rp ugur uguu ukup ukur ungp ungu unkn upnp uppp uppu upup urgu uruk urun urup urur uuuu