h-ii hhhh hhhs hihi hiho hiht hiil hiis hiit hili hill hilo hils hilt hish hiss hist hiti hito hits hitt hlhs hlss hohl hoho hoil hois hoit hol- holh holi holl holo hols holt hool hoos hoot hosh hoss host hoth hoti hotl hoto hots hott hshs hsls hsts hths htoh htol ihis ihit ihss iihl iiht iiii iiio iiis iiit iioi iioo iios iisi iist iitt ilio ilis ilit ill- illi illo ills illt iloo ilos ilot ilts ioii ioio ioit iolo iooi iooo ioos ioso ioto ishi ishs isil isis isit isls iso- isol isos issh issi isso isss isth isti isto ists iths itil itis itll itoh itoi itol itoo itos itsi itso itto lhhh lhhs lhss lih- lihi liho liht liii liis lili lill lilo lils lilt lio- lios lish lisi liso liss list lith liti litl lito lits litt llhs llll lloo lohi loho lohs lois loit loli loll lolo lols lool loos loot losh losi loso loss lost loth loti lotl loto lots lott lshs lsoh lsso lsts lths ltsi ohhi ohho ohhs ohio ohis ohoh ohos ohso ohss ohto oiii oils oios oist oiti olio olis olit olli ollo olos olot olsh olsi olst ooho oohs oolo oooh oooo ooos oosi oost oots oshi osho oshs osii osis osli oslo osoi osoo osos ossi osso osti osts otho oths otis otit oto- otoh otoo otos otso otti otto otts s-ii s-os shhh shhs shih shii shil shio shis shit shl- shls shoo shos shot shts sihi sihl sihs siht siit sil- sili sill silo sils silt siol sios siot sish sisi siss sist sit- sith siti sito sits sitt sl-i slhs slit sloh sloo slos slot slst slts sohh sohl soho sohs soil sois soit solh soli soll solo sols solt sool soos soot sosh sosi soso soss sost soth sotl soto sots sshl sshs ssis ssit sslt ssot sssh sssi ssss ssth sstl ssts sths stih stil stio stis stit stlh stlo stlt stol stoo stos stot stsi stss thi- thil thio this thoo thos thot thss thts tiht tiit tilh till tilo tils tilt tios tish tisi tiso tiss tist tith titi tito tits titt tlli tlos tohi toho toil tois toit tol- toli toll tolo tolt tooh tool toos toot tosh tosi toso toss tost toth toti toto tots tott tshi tshs tsis tsoi tsol tsos tssi tsst tsts ttss tttt