-ous bbbb bbbs bblb bbls blkb blls blob blok bloo blou blss blub blus bobb bobo bobs bobu boko boks boku bolk boll bolo bols bolu boob book bool boos bosk boso boss bosu bouk boul bous bsos bubb bubo bubs bubu bukk buko buku bulb bulk bull buls bulu buol busk buss busu buus k-lo k-os kbbb kbbk kbbl kbbo kbbs kbbu kbkb kbkk kbkl kbko kblb kbll kblo kbls kblu kbob kbok kboo kbos kbsb kbsk kbso kbss kbsu kbub kbuk kbul kbus kbuu kkbb kkbl kkbo kkbs kkkk kklb kkll kklo kkls kkob kkol kkoo kkss kksu kkus kkuu klbb klbl klbs klbu klkk klkl klko klks kllb kllk klls klob klok klol kloo klos klou klsu klub kluk kluu kobb kobk kobo kobs kobu kokb kokk koko koks koku kolb kolk koll kolo kols kolu koob kook kool kooo koos koou kos- kosb koso koss kosu koub koul kous kouu ksbl ksbs kskb kskk ksko ksks ksku kslb kslk ksll kslo kslu ksob ksok ksol ksoo ksos ksou kssl ksso ksss kssu ksub ksuu kubb kubo kubs kubu kukk kukl kuks kuku kulb kull kulo kulu kuok kuol kuoo kuos kusb kuso kusu kuub kuuk kuul kuuu lbos llbs llks llll lloo lob- lobb lobo lobs lokk loko loll lolo lols loob look lool loos loso loss louk loul lous louu lsbu lsso lubs luko lull lulu lusk luso luss luuk obbo obkb obls oblu obok obol obos obss obus okko oklo okok okol okso okul okus olbo ollo olos ooku oolo oooo ooos oous osku oslo osoo osos ossb osso ossu osul oubs oulk ouls oulu ouu- s-os sbbs sbus skol skss skul slob sloo slos slsu slub sobo sobs sobu sokk soko soku solk soll solo sols sook sool soos soso soss souk soul sous sssb ssss sub- subb subl subo subs suks suku sul- sulk sull sulo sulu suos sus- susk suso suss susu suus ubbo ublo ubls ubos ukko ukok ullo ulo- ulos uluk ulul ulus us-k usbl usbs uslu usos ussb usss ussu usul usus uulu uuuu