-ose eeee eees eero eers eese eesi eete eets eiei eier eies eire eirs eise eiso eiss eist eiti eito eitr eoes eoir eois eore eori eost eoto eots erei erer eres eret erie erio eris erit eroe eroi eroo eros erre erro errs erse ersi erso erst erts esee eseo eser eses eset esie esis esit eso- esos esri esse essi esso esst este esto estr ests etee eter etes etio etoe etos etre etro etsi ette etti etto ieet ieie ieio iere ieri iers iesi ieso iesr iest iett iies iiie iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iitr iitt ioee ioii ioio ioit iooi iooo ioos iore iori iors ioso iote ioto iree irer ires iri- irie irio iris irre irri irrs irse irte irti irts isee iseo iser ises iset isie isis isit iso- isor isos isri isse issi isso issr isss iste isti isto istr ists iter ites itet itie itis itoi itoo itor itos itri itrs itse itsi itso itto o-eo oere oers oese oest oeti oier oies oiii oios oire oirt oise oist oiti ooer ooes oooo ooos oore oort oose oosi oost oots ore- oreo orer ores ori- orie orio oris orit oro- oroe oror oros orot orri orro orrs orse orsi orso orte orto orts osee osei oser oses oset osie osii osis osoi osoo osor osos osro osse ossi osso oste osti ostr osts otee oter otes otis otit oto- otoe otoo otor otos otre otro otrs otse otso otte otti otto otts rees reet reii reir reis reit reos reot rere reri rero rers rert rese resi reso ress rest rete reti reto retr rets rett rier ries riet riis rios riot rire riri rirs rise risi riso riss rist rite riti rito rits ritt roer roes roet roio roir rois roit rooi roor roos root rore rori roro rort rose rosi roso ross rost rote roti roto rotr rots rott rrrr rsee rsis rsos rsre rsts rtee rtei rtes rtss rtts s-ii s-os se-e se-i se-o se-s se-t seer sees seet seie seii seir seis seit seoi sere seri sero serr sers sert sese sesi seso sess sest set- sete seti seto sets sett sier sies siit sioe sior sios siot sire siri siro sirr sirs sirt sise sisi siss sist sit- site siti sito sits sitt soeo soes soie soir sois soit soor soos soot sore sori soro sorr sors sort sose sosi soso soss sost sote soto sots sreo sres sris sros srtr ssee sses sset ssis ssit ssot ssri ssrs sssi ssss ssts stee steo ster stes stet stie stio stir stis stit stoe stoo stor stos stot stre stri stro strs stsi stss sttr teer tees teet teie teir teis teor teos ter- tere teri tero terr ters tese teso tess test tete teti teto tetr tets tett tie- tiee tiei tieo tier ties tiet tiit tios tire tiri tiro tirr tirs tise tisi tiso tiss tist tite titi tito tits titt toee toei toer toes toet toie tois toit toor toos toot tore tori toro torr tors tort tose tosi toso toss tost tote toti toto totr tots tott tre- tree trei treo tres tret tri- trie trio tris trit troe troi troo tros trot trsi trst trte trtr tses tset tsis tsoi tsos tsse tssi tssr tsst tsts tteo tter ttoe ttss tttt