sisis sisli sismi sissi sissu siumu siuri siuru siusi slims sling slip- slips slirp sliss sllim slsmn slugi slugs sluis slump slums slung slurg slurm slurp slurs sluss smirr smugi smurr smuss snigg snigs snils snipp snips snirl snmrc snrnp snrpg snugs snurl snurp snuss spics spili spill spims spin- sping spins spir- spirr spiss sprig sprug sprun spung spurl spurn spurr spurs spuul srcml sring srnin srpci ssmis sssss su-mi succi suciu sucr- suggs sugii sugnu sugru sugus suici suigu suing sulci sulin sulis sulli sulls sulur sulus sumin sumli summi sumps sumru sumui sumup sumur sunil sunim sunin sunis sunmi sunni sunpu sunup supls suppl supps supsi supur surgu suric surin surir suris surni surpu surui surul surur surus susic susil susun susus suuns u-n-i u-nii u-pml ucgun uglis ugric ugrin ugrug uigur uinic uispp uisun ulcus ulguc ulirg ullin ullur ulmic ulmin ulmus ulpic ulpur ulric ulrum ululu ulupi uluru uminn umiri umpig uncin uncup uncus ungci ungig ungli ungul ungum ungur unics unini uninn unipi unisi unius unnim unnun unnur unpin unric unrig unrip unrug unrun unsin unsu unsui unsun unurn upnim uppli uppng uprun upsun urgun uric- urin- uring urins urmis urpin urpmi urric urris ursus urucu uruli urumi urums ururi urusi us-sc uscgs uscup usglc using usini usins usmcr usnic usnin uspis ussun usuli usurp ususi uuism uunsi uusis uuuuu