-ism bbbb bbbs bbgm bblb bbls bbmg bbrg bggs bibb bibi bibl bibs bigb bigg bigs bigu biis bili bill bils bilu bims birb birg biri birl birr birs biru bis- bisl biss bisu blim blir blis blls blrg blss blub blum blur blus bmgs bmir bmmi bmus brig bril brim bris brls brrm brrr brrs brsb brsr brug brum brus bsgs bsim bsms bsrm bssm bubb bubi bubs bubu bugg bugi bugs buir buis buiu bulb bulg buli bull buls bulu bum- bumb bums bur- burb burg buri burl burm burr burs buru busi buss busu buus gbbs gggg ggss gibb gibs gigg gigi gigs giis gilg gili gill gils girg giri girl girr girs giru gism giss giur gius gli- glib glim glis glrb glub glug glui glum glur gmml gmmr gmrs grbr grib grig gril grim gris grml grrl grrr grrs grsm grss grub grug grui grum grur grus gsis gsli gsur gubb gubi gubs gubu gugb gugg gugi gugu guib guil guis gulb guli gull guls gulu gumb gumi gumm gums gurb gurg guri gurl gurr gurs guru gusb guss guus ibbm ibim ibis ibml ibms ibri ibss ibus iggs igil igis igli iglu igri igsm igus iiii iiis iirs iisi iism iisr iisu iium ilbm ilir ilis ill- illi ills ilmr ilrm ilum ilus imbi imir imli immi imms imri imrr imsi imsr imss imsu imus irbm irgm irgs iri- irig iril iris irlb irms irri irrs irsg irul irus isbl isil isim isis isls ismi isms isrg isri issi issr isss issu isum isus iugs iuiu iums iuss lblr lbms lbrs lbug lgbu lgsm libr libs libu ligg ligi liig liii liir liis lilb lilg lili lill lils lilu limb limi liml limm lims limu lirg liri lirl lirr lirs liru lisi liss lisu lius llbs llll llms lmii lmmr lmms lmrs lmsi lmsr lrgb lrrr lrsm ls-r lsbu lssr lubs lugg lugi lugs lugu luis luli lull lulu lumb lumi lums lurg luri lurs lusi luss mbbs mbim mbis mbms mbrs mbsl mbus mgbs mgrm mgrs mgsm mgus mibs migg migi migs migu miii miis mili mill milr mils milu mim- mimi mims mirg miri mirl mirr mirs miru mis- misg misi misl misr miss misu miui mlii mlis mlrs mlss mmii mmis mmli mmmm mmms mmsu mmus mrbb mrbm mrbs mris mrls mrml mrsi mrsl msgr msgs msil msmb msml msmm msms msmu msrb mssg mssi mssm mssr msus mubi mubs mugg mugi mugs mugu muil muir muis muli mull mulm mulu mumm mums mumu murg muri murl murr murs muru musi musl muss musu rbbb rbbr rbbs rbis rbms rbsl rbss rgbi rib- ribs ribu rigg rigi rigs rigu riis rill rilu rimi rimm rims rimu riri rirs risi rism riss risu rius rlls rlml rlms rlug rmbs rmll rmrg rrrr rrum rsbi rsgb rsis rsmg rsml rssl rsum rubb rubi rubs rubu rugg rugi rugs ruis rull rumb rumi ruml rumm rums ruri rurs ruru rusi russ rusu s-ib s-ii sbbs sbig sbml sbsi sbus sggg sggs sglr sgls sgml sgsm sgss sibi sibs sibu sigg sigi sigs siim sil- sili sill sils silu simi simm sims siri sirr sirs siru sisi siss sisu siui sium sius sl-i slib slig slim slir sllm slmm slrs slsu slub slug slum slur smgs smig smil smis smls smss smug smur smus srgb srib srim sris srub ssbr ssgs ssis ssml ssrg ssri ssrl ssrm ssrs sssb sssi sssm ssss sub- subb subg subi subl subm subs sug- sugg sugi suig suir suis sul- suli sull sulm sulu sum- sumi sums sumu sur- surg suri surr surs suru sus- susi suss susu suum suus ubbi ubii ubir ubis ubli ubls uggs ugis ugli ugri ugur uguu uiml uims uirr ulim ulli ullr ulmi ulmu ulul ulum ulus umb- umbi ummg umms umri umsu umus urbi urbs urgi urgu urib urim uris uriu urls urmi urri ursi urss ursu urum urur urus usbl usbr usbs usim usis uslu usmm usms ussb ussr usss ussu usui usul usus uulu uuri uusi uuuu