h-ii hhhh hhhs hihi hiho hiis hish hiss hiwi hoho hois hoos hosh hoss howh howi hows hshs ihis ihss iiii iiio iiis iioi iioo iios iisi iiwi ioii ioio iooi iooo ioos ioso ishi ishs isis iso- isos issh issi isso isss iwho iwis iwiw ohhi ohho ohhs ohio ohis ohoh ohos ohow ohso ohss oiii oios ooho oohs oooh oooo ooos oosi oshi osho oshs osii osis osoi osoo osos osow ossi osso owoh owow s-ii s-os shhh shhs shih shii shio shis shoo shos show sihi sihs sios sish sisi siss siwi sohh soho sohs sois soos sosh sosi soso soss sowi sows sshs ssis sssh sssi ssss ssws swhs swis swoo swow swss whhh whhi whho whhs whhw whii whio whis whoi whoo whos whow whsh whss whwh wihs wiii wiis wioi wioo wios wish wiso wiss wisw wiwi wohi wohs woio wois woos woow wosh woso woss wosw wowi wowo wows woww wshh wsho wshs wshw wsis wsoh wsoo wsos wssi wsss wssw wswi wsws wsww wwhi wwho wwii wwio wwis wwos wwow wwsh wwsi wwss wwwh wwwi wwws wwww