shri shrs shub shud shug shui shur shus shuu sibi sibo sibs sibu sidd sidh sidi sido sidr sids sigd sigg sigh sigi sigo sigs sihi sihr sihs sihu siod sior sios siou siri siro sirr sirs siru sisd sish sisi siss sisu siui sius sobo sobr sobs sobu sodd sodo sods sodu sogh sogi sogo sogs sohh soho sohs sohu soir sois sood soog soor soos sorb sord sorg sorh sori soro sorr sors soru sosh sosi soso soss soud sour sous srgb srhs srib sris sros srsd srub ssbr ssdd ssgs sshs ssid ssis ssrg ssri ssrs sssb sssh sssi ssss sub- subb subd subg subh subi subo subs sudd sudh sudi sudo suds sug- sugg sugh sugi sugo suhb suhi suho suhr suid suig suio suir suis suoh suor suos sur- surd surg suri suro surr surs suru sus- susd susi suso suss susu suus ubbi ubbo ubid ubii ubir ubis ubod ubos ubud uddi udds udgb udid udig udir udoh udoo udos udsd uggo uggs ughi ughs ugis ugod ugos ugri ugro ugur uguu uh-d uhid uhoh uhrs uhss uhuh uirr uisd uor- urbi urbs urds urdu urgh urgi urgu urho urib uris uriu uro- uroo urrh urri ursi urso urss ursu urur urus usbr usbs usdo usds usgo ushi usho ushr ushs ushu usis usog usoi usos ussb ussr usss ussu usui usus uuri uusi uuuu