iiii iiis iirs iisi iisr iisu ilir ilis ill- illi ills ilus iri- iril iris irri irrs irul irus isil isis isls isri issi issr isss issu isus iuiu iuss liii liir liis lili lill lils lilu liri lirl lirr lirs liru lisi liss lisu lius llll lrrr ls-r lssr luis luli lull lulu luri lurs lusi luss riis rill rilu riri rirs risi riss risu rius rlls rrrr rsis rssl ruis rull ruri rurs ruru rusi russ rusu s-ii sil- sili sill sils silu siri sirr sirs siru sisi siss sisu siui sius sl-i slir slrs slsu slur sris ssis ssri ssrl ssrs sssi ssss suir suis sul- suli sull sulu sur- suri surr surs suru sus- susi suss susu suus uirr ulli ullr ulul ulus uris uriu urls urri ursi urss ursu urur urus usis uslu ussr usss ussu usui usul usus uulu uuri uusi uuuu