fili- fills filur fissi flirr fluff flurr fluss friis frill friss fruli fu-fu fuffs fullf fulls furil furir furls furrs furus fusi- fusil fusus if-- ifill ifius iiiii iiris iisir ilfis iliff ilisu illui illus ilulu irill iris- iriss irisu irssi is-is isili isill isisi issru issus issuu isuli isuus iuliu iulus li-fi liisi lilfu lilis liliu lilli lilus liril lirui lisis liss- lissu liuli llrrs luffs luiff lulli lulls lulul lulus lusis lusus luuri ri-fi riffs riisu rills risus rsssf ruffs rufi- rufus ruili ruiru rulli russi s-iii sifus siili silli sills silur siris siriu sirsi sirur sisil sisis sisli sissi sissu siuri siuru siusi sliss sluff sluis slurf slurs sluss sssss suffr suffs sufis suflu sufri sulf- sulis sulli sulls sulur sulus surfs surif surir suris surui surul surur surus susil susus uifli ullur ululu uluru urris ursus uruli ururi urusi usuli ususi uusis uuuuu