-ing bbbb bbgm bbin bbmg bbng bbrg bgun bibb bibi bigb bigg bign bigu biin bin- bing bini binn binu birb birg biri birn birr biru bmir bmmi bnib bnim bnin bnrr brig brim brin brrm brrr brug brum brun bubb bubi bubu bugg bugi buin buir buiu bum- bumb bunb bung buni bunn bunu bur- burb burg buri burm burn burr buru gggg ggrn gibb gigg gigi gign ging gini ginn ginu girg giri girn girr giru giur gmmr gnib gnin gnrr grbr grib grig grim grin grni grrr grub grug grui grum grun grur gubb gubi gubu gugb gugg gugi gugu guib guin gumb gumi gumm gung gunn gurb gurg guri gurn gurr guru ibbm ibim ibri igni ignu igri iiii iinm iium imbi imin imir immi imri imrr imun inig inni innr innu inri inui inun irbm irgm iri- irig irin irri irun iuiu mbim mgrm migg migi migu miii miin mim- mimi ming mini minn minu mirg miri mirr miru miui mmgn mmii mmmm mmun mnbb mngr mnin mrbb mrbm mrgn mrng mubi mugg mugi mugu muin muir mumm mumu mung muni munn munu murg muri murn murr muru n-ii ngmn ngri ngur nguu nibi nibm nigg niir niiu nimb nimi nimr nimu ning nini niru niur nmri nngn nnnn nubi nuim nuin numb numi numm numu nung nunn nuri nurn nurr nuru rbbb rbbr rgbi rib- ribu rigg rigi rigu riin rimi rimm rimu ring rinn riri rmrg rnbr rnin rrrr rrum rrun rubb rubi rubu rugg rugi ruin rumb rumi rumm rung runi runn ruri ruru ruun ubbi ubii ubir ugni ugri ugur uguu uirr umb- umbi ummg umri ungu uni- unii unin unir unmr unni unum urbi urgi urgu urib urim urin uriu urmi urni urri urum urun urur uuni uuri uuuu