bbbb bhir bhur bhuu bibb bibi bihi bihu bikh biku birb biri birk birr biru brih brik brkb brrr bruh bubb bubi bubu buhi buhr buik buir buiu bukh buki bukk buku bur- burb burh buri burk burr buru h-ii hhhh hibi hibu hihi hiiu hiki hiku hiri hirk hiru hkbu hkir hrib hubb hubi huhi huhu huib huik huir huki huri hurk hurr huru huub ibri ihub iiii ikki ikri iri- irki irri iuiu kbbb kbbi kbbk kbbr kbbu kbhb kbhh kbhi kbhr kbib kbik kbiu kbkb kbkk kbkr kbrb kbrh kbri kbrk kbru kbub kbuk kbur kbuu khbr khhk khii khki khkk khkr khri khrk khrr khub khui khuk khur kibb kibi kibr kibu kihh kihi kihk kihr kihu kiii kiik kiiu kiki kikk kikr kiku kirb kiri kirk kirr kiru kiur kiuu kkbb kkbi kkbr kkhb kkhh kkhi kkhk kkhr kkik kkkk kkrb kkrh kkrk kkrr kkuu krbb krbi krbk krbr krib krik krkh krki krkk krkr krku krrb krri krrk krrr kruh krui kruk krur kubb kubr kubu kuhi kuhu kuih kuik kukh kuki kukk kuku kurb kuri kurk kurr kuru kuub kuuk kuur kuuu rbbb rbbr rhib rib- ribu riki rikk riku riri rrrr rubb rubi rubu ruhh ruhi ruhr rukh ruki rukk ruku ruri ruru ubbi ubii ubik ubir uhuh uirr ukur urbi urib urik uriu urrh urri uruk urur uuri uuuu