rrr rrs rru rsr rss rsu rur rus ruu ruy ruz ry- ryr rys ryu ryy ryz rzy sr- srr srs sry ss- ssr sss ssu ssz sur sus suu suy suz sy- syr sys syu szr szu ur- urr urs uru ury urz usr uss usu usz uur uus uuu uys uyu uzu yrs yru ysr yss ysu ysy ysz yur yus yuu yuy yys yyu yyy yyz yzr yzu yzy zrs zsu zsz zur zus zuz zzr zzs zzy zzz

rrrr rurs ruru russ rusu rusy ruys rysy srzu ssrs ssss sur- surr surs suru sury sus- suss susu susy susz suus suyr suyu suzu suzy suzz syrs syry syss szss szur urry urss ursu ursy urur urus uruz urzy ussr usss ussu ussy usus uuuu yssu yury yuyu yuzu yyyy zsss zurr zuru zuzu zzzs zzzz

russy sssss surry sursy surur surus sussy susus susuz suzys syrus ursus uryu uryuu usury uuuuu uzury yuzus zu-zu zurs zzzzz

russus surzur susurr yuzuru

sssssss

sussurus susurrus zyzzyzus