fili- filtu filur firit fitil fitit fitri flirr flirt fluff fluit flurr flurt frill fritt fruit fruli ftrtt fu-fu fullf furil furir futur if-- ifill ifrit ifttt iiiii iitti iliff ilift illit illui iltur ilulu irill irrit itfit ittti itu-r itu-t ituri ituru itutu iuliu li-fi lilfu liliu lilli liril lirui litir litti litui liuli ltifr luiff lulli lulul lutfi lutui luuri ri-fi rufi- ruili ruiru rulli rutli rutul ruutu ti-ti tilfi tilli tirit tirli tirru tirtl tirur titii titil titli titti trill trit- tritt truff truit trull ttttt tuffi tufit tuili tulir tului turit turri turtu turul turut tutli tutti tuuli tuuri tuuru uifli uitti ullur ululu uluru uluti urtlu uruit uruli ururi uruti urutu utili uttur uturu uuuuu