bbbb bbdd bblb bd-r bddh bdii bhdl bhil bhir bibb bibi bibl bidi bidr bihi bihl bild bili bill birb bird biri birl birr bldr blir brid brih bril brrr dddd dibb didi diii dili dill dird dirl dirr dlbd dlib dlii dlil drib drih dril h-ii hdil hdri hhhh hibi hidi hihi hiil hild hili hill hird hiri hrbl hrib hrid ibid ibrd ibri idid idil idir idli ihdr ihrd iihl iiii ilir ill- illd illi iri- irid iril irlb irri lblr lhhh libr lidb lidl lih- lihi liii liir lilb lili lill lird liri lirl lirr lldb llll lrdd lrrr rbbb rbbr rhib rhli rib- ridd ridi rill riri rrrr