b-u bbb bbg bbi bbr bbs bbu bby bgb bgg bgi bgr bgs bgu bi- bib big bii bir bis biu biy brb brg bri brr brs bru bry bsb bsg bsi bsr bss bsu bsy bub bug bui bur bus buu buy by- byg byi byr bys byu gbg gbi gbr gbs gbu gby ggb ggg ggi ggr ggs ggu gib gig gii gir gis giu giy grb grg gri grr grs gru gry gsb gsg gsi gsr gss gsu gu- gub gug gui gur gus guu guy gy- gyb gyr gys ibb ibg ibi ibr ibs ibu iby igb igg igi igr igs igu igy iib iii iir iis iiu ir- irb irg iri irr irs iru iry is- isb isg isi isr iss isu isy iu- iub iug iui iur ius iyr iys iyy rbb rbg rbi rbr rbs rbu rgb rgg rgi rgr rgs rib rig rii rir ris riy rrb rrg rri rrr rrs rru rsb rsg rsi rsr rss rsu rub rug rui rur rus ruu ruy ry- ryg ryr rys ryu ryy sbb sbg sbi sbr sbs sbu sby sgb sgg sgi sgr sgs sgu sib sig sii sir sis siu sr- srb srg sri srr srs sry ss- ssb ssg ssi ssr sss ssu sub sug sui sur sus suu suy sy- syb syg syi syr sys syu ubb ubg ubi ubr ubs ubu uby ugb ugg ugi ugr ugs ugu uib uig uii uir uis uiu ur- urb urg uri urr urs uru ury usb usg usi usr uss usu uug uur uus uuu uyi uys uyu ybg ybi ybr ybs yby yig yii yir yis yrg yrs yru ysb ysg ysi ysr yss ysu ysy yug yui yur yus yuu yuy yyb yyg yys yyu yyy

bbbb bbbs bbrg bggs bibb bibi bibs bigb bigg bigs bigu biis birb birg biri birr birs biru biry bis- biss bisu bisy biys brig bris brrr brrs brsb brsr brug brus bry- bsgs bubb bubi bubs bubu bugg bugi bugs buir buis buiu bur- burb burg buri burr burs buru bury busi buss busu busy buus buyi buys buyu bygg bysb bysi byss bysy gbbs gggg ggss gibb gibs giby gigg gigi gigs giis girg giri girr girs giru giry giss giur gius grbr grib grig gris grrr grrs grss grub grug grui grur grus gry- grys gsis gsur gubb gubi gubs gubu guby gugb gugg gugi gugu guib guis gurb gurg guri gurr gurs guru gury gusb guss guus guys guyu gyr- gyri gyrs gysi gyss gyuu i-by ibis ibri ibss ibus ibuy ibyi iggs iggy igis igri igus iiii iiis iirs iisi iisr iisu irby irgs iri- irig iris iriy irri irrs irsg irus isis isrg isri issi issr isss issu issy isus isys iugs iuiu iuss rbbb rbbr rbbs rbis rbss rgbi rib- ribs ribu riby rigg rigi rigs rigu rigy riis riri rirs risi riss risu rius rrrr rsbi rsgb rsis rubb rubi rubs rubu ruby rugg rugi rugs ruis ruri rurs ruru rusi russ rusu rusy ruyi ruys ryis rysy s-ib s-ii sbbs sbig sbsi sbus sggg sggs sgss sibi sibs sibu siby sigg sigi sigs sigy siri sirr sirs siru sisi siss sisu sisy siui sius siyi siyu srby srgb srib sris srub ssbr ssby ssgs ssis ssrg ssri ssrs sssb sssi ssss sub- subb subg subi subs sug- sugg sugi suig suir suis sur- surg suri surr surs suru sury sus- susi suss susu susy suus suyi suyr suyu syis syrs syry syss ubbi ubii ubir ubis uggs ugis ugri ugur uguu uirr urbi urbs urgi urgu urib uris uriu urri urry ursi urss ursu ursy urur urus usbr usbs usis ussb ussr usss ussu ussy usui usus uuri uusi uuuu uyir ybbs ybry yirb yirr yiss ysby ysii yssu ysyb yubu yugg yugi yugs yugu yuri yury yuyu yyyy

bbuss bibbs bibby bibis bibri bibus big-i bigby biggs biggy bigig bigrs birgi birgu birrs birsy birur biryu bisby bissy brigg brigi brigs brisb brisi briss brrrr brugg bruis bruiu bruri bruss brusy bruys brys- bubby bubry bubsy buggy bugis bugsy bugyi buisy burbs burgi burgs burgu burgy burri burrs burru burry burus busby busir bussu bussy busur busuu buysy by-by bybib bybus byssi gibbi gibbs gibby gibi- gibss gibus giggs girby girru girss girsu girus gissi grgur grigg grigs grisi griss grisu grisy grrrr grubb grubs gruiu grury gruss gryis gubbi gubby gubru guggi gugir guibs guiri guiry guiss guisy guiyu gurgi gurgy gurry gursu gurur gurus gusii gussy gygis gyiru gyrss gyrus gyugy gyuri ibbur iggri iggry igigi iiiii iiris iisir iisys irbis iris- iriss irisu irssi is-is isisi isrib issru issus issuu isuus isyss iyiyi ribbi ribby ribsy rig-i rigby riggs rigsy riisu risby risus rubbi rubby rubis rubus rubys rugby ruggy rugii rugir ruiru russi russy rybi ryuir s-bus s-iii sibir sibiu sibsu sibur siggy sigir sigri sigur sigus sirgu sirig siris siriu sirsi sirsy sirur sisig sisis sissi sissu sissy siuri siuru siusi siuyu sruby ss-gb sssrb sssss subbu subby subis subss suggs sugii sugru sugus suibu suigu surgu surgy surir suris surry sursy surui surur surus sussy susus syrus syuri ubirr ubisi ubris ugrug uibis uigur urbis urris ursus urubu ururi urusi uryu uryuu usbby usury ususi uusis uuuuu uygur yibir yu-ri yugur yuris

bbbbbb bibiri bibiru bibsys biburg bibury bigguy bigrig bigsby bigsur birgus biribi birrus birsig bisuyu bribir bribri briggs brigus brissy brubru bububu bugbug bugiri bugisi buguri buissy burbur burgis burgui burgus burris bururi byrgir byrrus byssus gibbus gigiri girsby gissur gisuru griggs griggy grigri grubbs grubby grugru gubgub gurbir gurbru gurugu gusgus gyibug gyigyi gyruss gyurus irisys irugur isurus ribbis ribisi rigsby russus ruyigi ryssby sbirri sibigi sigirr sigsys sigurg siiiii sirigu siriri sirius sirris sirsir sisisi siyuri subisu suburb suburi suguru susurr sybris syburg syburi ubussu uguisu uigurs usiris ussuri yuuguu

bbbbbbb bigbury bigsiss birigui bissibi bissiri brusury buigiri burruss busiris gisburg giurgiu gri-gri grigris grigsby gru-gru grugrus gurguri igiugig igurusi risbury siguiri sssssss suburbs