-ing bbbb bbbs bbin bbng bbrg bggs bgun bibb bibi bibs bigb bigg bign bigs bigu biin biis biji bijs biju bin- bing bini binn bins binu birb birg biri birn birr birs biru bis- biss bisu bjni bnib bnin bnrr bnss brig brin bris brnj brns brrr brrs brsb brsr brug brun brus bsgs bsin bsns bubb bubi bubs bubu bugg bugi bugs buin buir buis buiu buji buju bunb bung buni bunn buns bunu bur- burb burg buri burj burn burr burs buru busi buss busu buus gbbs gggg ggrn ggss gibb gibs gigg gigi gign gigs giis gijs giju ging gini ginn gins ginu girg giri girn girr girs giru giss giur gius gjig gnib gnin gnrr gnus grbr grib grig grin gris grni grrr grrs grss grub grug grui grun grur grus gsis gsur gubb gubi gubs gubu gugb gugg gugi gugu guib guin guis guji gung gunj gunn guns gurb gurg guri gurn gurr gurs guru gusb guss guus ibis ibns ibri ibsn ibss ibus iggs igis igni igns ignu igri igus iiii iiis iirs iisi iisj iisr iisu ijji ijui ijun ings inig inis inji inju inni innr inns innu inri inrs inss insu inui inun inus irgs iri- irig irin iris irri irrs irsg irun irus isbn isin isis isrg isri issi issr isss issu isus iugs iuiu iuss jbig jibb jibi jibs jigg jigs jiji jiju jing jini jinn jins jirg jiri jiru jrbr jsgi jssr jsss jubu jugg jugi jugs jugu juin juis juju junb jung juni junr junu jurg juri jurn jurr jurs jusi juss n-ii nbbj ngns ngri ngsn ngur nguu nibi nibs nigg nigs niir niiu niji ning nini nins nirs niru nisi niss nisu niur njbs nngn nnnn nnss nsin nsis nsnr nssb nssr nsss nsub nubi nubs nugs nuin nung nunn nuns nuri nurn nurr nurs nuru nusi nuss nusu rbbb rbbr rbbs rbis rbss rgbi rib- ribs ribu rigg rigi rigs rigu riin riis riji rijn rijs ring rinn riri rirs risi riss risu rius rnbr rngs rnin rrrr rrun rsbi rsgb rsis rsnn rsnr rubb rubi rubs rubu rugg rugi rugs ruin ruis rung runi runn runs ruri rurs ruru rusi russ rusu ruun s-ib s-ii sbbs sbig sbsi sbus sggg sggs sgss sibi sibs sibu sigg sigi sign sigs sing sini sinj sinn sins sinu siri sirr sirs siru sisi siss sisu siui sius sjis sjsu sjur snib snig snir snns snrs snub snug snur snus srgb srib sris srni srnn srub ssbn ssbr ssgs ssin ssis ssns ssrg ssri ssrs sssb sssi ssss sub- subb subg subi subj subs sug- sugg sugi suig suin suir suis suji sun- sunb sung suni sunj sunn suns sunu sur- surg suri surn surr surs suru sus- susi suss susu suus ubbi ubii ubir ubis uggs ugis ugni ugri ugur uguu uirr ungu uni- unii unin unir unis unji unni unns unrs uns- unsg unus urbi urbs urgi urgu urib urin uris uriu urni urns urri ursi urss ursu urun urur urus usbr usbs usin usis usnr usnu ussb ussr usss ussu usui usun usus uuni uuri uusi uuuu