bbbb bbbs bbhs bbrg bggs bghs bhhs bhur bhuu brhs brrr brrs brsb brsr brug bruh brus bry- bsgs bshs bubb bubs bubu bugg bugh bugs buhr buhs buhy bur- burb burg burh burr burs buru bury bush buss busu busy buus buys buyu bygg bysb byss bysy gbbs gbhs gggg gghg ggss ghhs ghug grbr grhs grrr grrs grss grub grug grur grus gry- grys gshs gsur gubb gubs gubu guby gugb gugg gugh gugu guhr gurb gurg gurh gurr gurs guru gury gusb gush guss guus guys guyu gyr- gyrs gyss gyuu hbbs hbhs hbrs hbss hghs hhgg hhhh hhhs hhus hrhs hryb hshs hsur hubb hubs huby hugg hugh hugs hugy huhs huhu hurr hurs huru hury hush huss huub huus huyr hygh rbbb rbbr rbbs rbgh rbhs rbss rghs rhbg rhhs rhug rhus rhys rrhs rrrr rsgb rshs rubb rubs rubu ruby rugg rugh rugs ruhh ruhr ruhs rurs ruru rush russ rusu rusy ruys ryhb rysh rysy sbbs sbhs sbus sggg sggs sghs sgsh sgss shbs shgr shhh shhs shrs shub shug shur shus shuu shuy srby srgb srhs srub ssbr ssby ssgs sshs ssrg ssrs sssb sssh ssss sub- subb subg subh subs sug- sugg sugh suhb suhr sur- surg surr surs suru sury sus- suss susu susy suus suyr suyu sygh syrs syry syss uggs ughs ugur uguu uhrs uhry uhss uhuh urbs urgh urgu urrh urry urss ursu ursy urur urus usbr usbs ushr ushs ushu ussb ussr usss ussu ussy usus uuuu ybbs ybry ysby yssh yssu ysyb yubu yugg yugh yugs yugu yury yush yuyu yyyy