-ing bbbb bbfn bbgm bbin bblb bbmg bbng bbrg bffl bfgf bgun bibb bibi bibl biff bifi bigb bigg bign bigu biin bili bill bilu bin- bing bini binn binu birb birg biri birl birn birr biru blim blin blir blni blrg blub bluf blum blur bmir bmmi bnib bnim bnin bnml bnrr brfm brfu brig bril brim brin brrm brrr brug brum brun bubb bubi bubu buff bufr bugg bugi buif buin buir buiu bulb bulg buli bull bulu bum- bumb bumf bunb bung buni bunn bunu bur- burb burg buri burl burm burn burr buru ffff ffii ffrr ffun fiff fifi fifm figg figl fiii fiil fili fill film filn fimr fing fini finn firm firn flig flii flim flin flmb flnb flub fluf flum flur fmri fnuf frib frig fril frim frin frmn frub frug frum frun fubb fubu fuff fufu fugi fugu fuig fuil fuir fuli full fulu fumi funf fung fur- furg furi furl furm furn furr ggfg gggg ggrn gibb giff gifu gigg gigi gign gilf gilg gili gill ging gini ginn ginu girg giri girl girn girr giru giur gli- glib glim glin glmn glrb glub glug glui glum glun glur gmml gmmr gnib gnin gnrr grbr grib grif grig gril grim grin grml grni grrl grrr grub gruf grug grui grum grun grur gubb gubi gubu guff gugb gugg gugi gugu guib guil guin gulb gulf guli gull gulu gumb gumi gumm gung gunn gurb gurg guri gurl gurn gurr guru ibbm ibfi ibim ibml ibri ifbb ifil ifim ifni ifnr ifrb ifrf ifri igil igli iglu igni ignu igri iiii iinm iium ilbm ilin ilir ill- illi ilmr ilni ilrm ilum imbi imfi imin imir imli immi imri imrr imun infi infl inig inni innr innu inri inui inul inun irbm irfm irfu irgm iri- irig iril irin irlb irri irul irun iuiu lblr lbug lfmr lfng lgbu lgfl lgin lgmn libr libu liff lifg lifl ligg ligi lign liig liii liin liir lilb lilg lili lill lilu limb limi liml limm limn limu ling linn lirg liri lirl lirn lirr liru liuf liun llll lmfm lmii lmln lmmr lrgb lrif lrrr luff lufu lugg lugi lugu luif luin luli lull lulu lumb lumi lung luni lunn lurg luri mbim mfbm mfng mfri mgrm miff mifi migg migi migu miii miin milf mili mill miln milr milu mim- mimi ming mini minn minu mirg miri mirl mirr miru miui mlii mlin mlnr mmff mmgn mmii mmli mmmm mmrf mmun mnbb mngr mnin mrbb mrbm mrgn mrln mrml mrng mubi muff mufi mufu mugg mugi mugu muil muin muir muli mull mulm mulu mumm mumu mung muni munn munu murg muri murl murn murr muru n-ii nbfl nbuf nfff nfib ngmn ngri ngur nguu nibi nibm niff nigg niir niiu nili nill nilu nimb nimi nimr nimu ning nini ninl niru niur nlgn nlrb nmff nmml nmri nngn nnnn nrlb nrml nrrl nubi nubl nuff nuim nuin nuli null numb numi numm numu nung nunn nuri nurl nurn nurr nuru rbbb rbbr rffl rgbi rib- ribu riff rifu rigg rigi rigu riif riin rill rilu rimi rimm rimu rinf ring rinn riri rlif rlin rlml rlug rmif rmll rmrg rnbr rnin rnli rrif rrrr rrum rrun rubb rubi rubu ruff rugg rugi ruif ruin rull rumb rumi ruml rumm runf rung runi runn ruri ruru ruun ubbi ubii ubir ubli ugli ugni ugri ugur uguu uiml uirr ulim ulli ullr ulmi ulmu ulul ulum umb- umbi umff umfg ummg umri ungu uni- unif unii unin unir unlf unmr unni unrf unum urbi urff urfi urgi urgu urib urif urim urin uriu urmi urni urri urum urun urur uulu uuni uuri uuuu