-hou bbbb bblb bhuu blkb blob blok bloo blou blub bobb bobo bobu bohl boho bohu boko boku bolk boll bolo bolu boob booh book bool bouh bouk boul bovo bubb bubo bubu buhl buho bukh bukk buko buku bulb bulk bull bulu buol hhhh hkbu hluk hlul hobo hohl hoho hoko hoku hol- holb holh holk holl holo holu hook hool houk hovk hubb hubl hubo huhu hulk hull hulu huub k-lo kbbb kbbk kbbl kbbo kbbu kbhb kbhh kbhl kbkb kbkk kbkl kbko kbkv kblb kbll kblo kblu kblv kbob kbok kboo kbov kbub kbuk kbul kbuu kbvb kbvo kbvu khhk khhl khho khkk khkv khll khlo khob khok khol khou khub khuk khvh kkbb kkbl kkbo kkhb kkhh kkhk kkkk kklb kklh kkll kklo kklv kkob kkoh kkol kkoo kkov kkuu kkvu kkvv klbb klbl klbu klhb klhv klkk klkl klko klkv kllb kllk kllv klob kloh klok klol kloo klou klov klub kluh kluk kluu kluv klvb klvk klvl klvo klvu klvv kobb kobk kobo kobu kohh kohl koho kohu kokb kokh kokk koko koku kolb kolk koll kolo kolu kolv koob kook kool kooo koou koov koub koul kouu kovk kovo kubb kubo kubu kuhl kuhu kukh kukk kukl kuku kulb kulh kull kulo kulu kuok kuol kuoo kuub kuuk kuul kuuu kuvo kvbl kvkl kvlb kvlo kvlu kvlv kvob kvoh kvok kvol kvoo kvou kvov kvuu kvvl kvvv lhhh llll lloo lo-v lob- lobb lobh lobo loho lohu lokk loko loll lolo loob look lool louh louk loul louu lovo luhu lukh luko lull lulu luoh luuk lvov obbo obkb oblu obok obol obuh ohho ohob ohoh ohok okko oklo okok okol okul olbo ollo olov ooho ooku oolo oooh oooo oulk oulu ouu- ovo- ovol ovoo ubbo ublo uhoh uhok uhuh ukko ukok ullo ulo- uluk ulul uovo uulu uuuu uv-b uvok uvvu vhhh vlok voho vohu volk voll volo vool vouh vouk voul vovk vuku vull vvob vvvv