-ing bbbb bbin bblb bbng bbrg bgun bibb bibi bibl bigb bigg bign bigu biin bili bill bilu bin- bing bini binn binu birb birg biri birl birn birr biru blin blir blni blrg blub blur bnib bnin bnrr brig bril brin brrr brug brun bubb bubi bubu bugg bugi buin buir buiu bulb bulg buli bull bulu bunb bung buni bunn bunu bur- burb burg buri burl burn burr buru gggg ggrn gibb gigg gigi gign gilg gili gill ging gini ginn ginu girg giri girl girn girr giru giur gli- glib glin glrb glub glug glui glun glur gnib gnin gnrr grbr grib grig gril grin grni grrl grrr grub grug grui grun grur gubb gubi gubu gugb gugg gugi gugu guib guil guin gulb guli gull gulu gung gunn gurb gurg guri gurl gurn gurr guru ibri igil igli iglu igni ignu igri iiii ilin ilir ill- illi ilni inig inni innr innu inri inui inul inun iri- irig iril irin irlb irri irul irun iuiu lblr lbug lgbu lgin libr libu ligg ligi lign liig liii liin liir lilb lilg lili lill lilu ling linn lirg liri lirl lirn lirr liru liun llll lrgb lrrr lugg lugi lugu luin luli lull lulu lung luni lunn lurg luri n-ii ngri ngur nguu nibi nigg niir niiu nili nill nilu ning nini ninl niru niur nlgn nlrb nngn nnnn nrlb nrrl nubi nubl nuin nuli null nung nunn nuri nurl nurn nurr nuru rbbb rbbr rgbi rib- ribu rigg rigi rigu riin rill rilu ring rinn riri rlin rlug rnbr rnin rnli rrrr rrun rubb rubi rubu rugg rugi ruin rull rung runi runn ruri ruru ruun ubbi ubii ubir ubli ugli ugni ugri ugur uguu uirr ulli ullr ulul ungu uni- unii unin unir unni urbi urgi urgu urib urin uriu urni urri urun urur uulu uuni uuri uuuu