-hou -ous h-ii hhhh hhhs hhus hihi hiho hiis hiiu hiri hiro hirs hiru hish hiss hoho hoir hois hoix hoor hoos hoox hori horo horr hors hosh hoss hour houx hrhs hros hrso hshs hsur huhi huhs huhu huir huis huor huos huri huro hurr hurs huru hush husi huso huss huus huxi ihis ihss ihuo iiii iiio iiis iioi iioo iios iirs iisi iisr iisu ioii ioio iooi iooo ioos iori iors ioso iosu ious irhs iri- irio iris irix iroh irri irrs irus ishi ishr ishs isis iso- isor isos isri issh issi isso issr isss issu isuh isus iuiu iuss ixos ixxi ohhi ohho ohhs ohio ohis ohoh ohos ohso ohss ohus oiii oios oisu ooho oohs oooh oooo ooos oosi oous orhs ori- orio oris orix oro- oror oros orri orro orrs orsi orso orsu orus oshi osho oshs oshu osii osis osoi osoo osor osos osro ossi osso ossu ouii ouir ouis our- ouro ours ouu- oxi- oxis oxo- oxos oxox oxsi oxus oxxo rhhs rhio rhoh rhos rhus riho rihs riis rios riou riri rirs rish risi riso riss risu rius rixo rohr rohs rohu roio roir rois roiu rooi roor roos roox rori roro roru rosh rosi roso ross rouh rous roux roxo rrhs rrrr rshs rsis rsos ruhh ruhi ruhr ruhs ruis ruri ruro rurs ruru rush rusi ruso russ rusu s-ii s-os shhh shhs shih shii shio shir shis shiu shoo shor shos shou shox shri shrs shui shur shus shuu sihi sihr sihs sihu sior sios siou siox siri siro sirr sirs siru sish sisi siss sisu siui sius sixo sixx sohh soho sohs sohu soir sois soor soos sorh sori soro sorr sors soru sosh sosi soso soss sour sous soxs srhs sris sros sshs ssis ssri ssrs sssh sssi ssss suhi suho suhr suio suir suis suoh suor suos sur- suri suro surr surs suru sus- susi suso suss susu suus sux- uhoh uhrs uhss uhuh uirr uor- urho uris uriu urix uro- uroo urox urrh urri ursi urso urss ursu urur urus ushi usho ushr ushs ushu usis usix usoi usos ussr usss ussu usui usus uuri uusi uuuu uxor uxus xhoi xhri xiii xisi xixi xois xoro xors xoxo xuri xurs xuxu xxii xxix xxxi xxxo xxxx