bbbb bbin bibb bibi biin biji biju bin- bini binn binu birb biri birn birr biru bjni bnib bnin bnrr brin brnj brrr brun bubb bubi bubu buin buir buiu buji buju bunb buni bunn bunu bur- burb buri burj burn burr buru ibri iiii ijji ijui ijun inji inju inni innr innu inri inui inun iri- irin irri irun iuiu jibb jibi jiji jiju jini jinn jiri jiru jrbr jubu juin juju junb juni junr junu juri jurn jurr n-ii nbbj nibi niir niiu niji nini niru niur nnnn nubi nuin nunn nuri nurn nurr nuru rbbb rbbr rib- ribu riin riji rijn rinn riri rnbr rnin rrrr rrun rubb rubi rubu ruin runi runn ruri ruru ruun ubbi ubii ubir uirr uni- unii unin unir unji unni urbi urib urin uriu urni urri urun urur uuni uuri uuuu