-ing bbbb bbin bblb bbng bbrg bgun bibb bibi bibl bigb bigg bign bigt bigu biin bili bill bilt bilu bin- bing bini binn bint binu birb birg biri birl birn birr birt biru bitt bitu blbt blin blir blit blni blrg blub blur blut bnib bnin bnrr brig bril brin brit brrr brug brun brut btrt bttb bubb bubi bubu bugg bugi buin buir buit buiu bulb bulg buli bull bult bulu bunb bung buni bunn bunt bunu bur- burb burg buri burl burn burr burt buru but- buti butt ggbt gggg ggrn gibb gigg gigi gign gilg gili gill gilt ging gini ginn ginu girg giri girl girn girr girt giru giur gli- glib glin glit glrb glub glug glui glun glur glut gnib gnin gnit gnrr gnti grbr grib grig gril grin grit grni grrl grrr grub grug grui grun grur grut gtbr gubb gubi gubu gugb gugg gugi gugu guib guil guin gulb guli gull gult gulu gung gunn gunt gurb gurg guri gurl gurn gurr gurt guru guti gutt gutu ibri ibtb ibtl igil igli iglu igni ignu igri iiii iiit iitr iitt ilin ilir ilit ill- illi illt ilni ilut inig init inni innr innu inri intg inti intl intn intr intu inui inul inun iri- irig iril irin irlb irri irti irul irun itil itin itll itri itur iuiu lbgt lblr lbrt lbug lgbt lgbu lgin lgtn libr libu ligg ligi lign liig liii liin liir lilb lilg lili lill lilt lilu ling linn lint lirg liri lirl lirn lirr lirt liru litb liti litl litr litt litu liun liut llll lrgb lrrr ltbl ltib ltng ltnt lttr lugg lugi lugu luin luit luli lull lulu lung luni lunn lunt lurg luri lurt luti n-ii nbti ngri ngtn ngur nguu nibi nigg nigt niir niit niiu nili nill nilt nilu ning nini ninl nirt niru nitb niti nitr niur nlgn nlrb nngn nnit nnnn nntn nrlb nrrl nrtl ntnu ntrl ntru nttr ntui nubi nubl nuin nuit nuli null nung nunn nunt nuri nurl nurn nurr nurt nuru nutt nutu rbbb rbbr rgbi rgit rgtr rib- ribu rigg rigi rigu riin rill rilu ring rinn riri riti ritl ritt ritu rlin rlug rnbr rnin rnli rnnt rnut rrrr rrun rtlt rubb rubi rubu rugg rugi ruin ruit rull rung runi runn runt ruri ruru ruti rutl rutt rutu ruun tbil tbit tbrb tibi tibu tigi tigr tiit tiiu till tiln tilr tilt ting tini tinn tint tinu tirb tiri tirl tirr tiru titi titt titu tlli tnut tri- trib trig tril trin trit trng trtr trub trug trun trut truu ttbb tttt ttul tubb tubr tubu tugg tugu tuig tuil tuin tuit tuiu tuli tull tulu tunb tung tuni tunn tunu turb turg turi turn turr turt turu tuti tutl tutt tutu ubbi ubii ubir ubit ubli uggt ugli ugni ugri ugur uguu uint uirr ulli ullr ulti ultt ulul ungu uni- unii unin unir unit unni untb unut urbi urgi urgu urib urin uriu urni urri urun urur urut util utin utri utti uttu utug uulu uuni uuri uuuu