eeee eero eery eete eiei eier eire eiry eiti eito eitr eoir eore eori eoto erei erer eret erie erio erit eroe eroi eroo erre erro erye etee eter etio etoe etoy etre etro ette etti etto etty eyer eyet eyey eyio eyir eyot eyre eyry eyte eyyr ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iitr iitt ioee ioii ioio ioit iooi iooo iore iori iote ioto iree irer iri- irie irio iriy irre irri irte irti iter itet itie itoi itoo itor itri itry itto itty iyer iyet iyre o-eo oere oeti oeye oeyo oier oiii oire oirt oiry oiti ooer oooo oore oort oory ooty ore- oreo orer orey ori- orie orio orit oro- oroe oror orot oroy orri orro orry orte orto otee oter otit oto- otoe otoo otor otoy otre otro otry otte otti otto otyr oyee oyer oyre oyri reet reii reir reit reot rere reri rero rert rery rete reti reto retr rett rety reye rier riet riot rire riri rite riti rito ritt riyo roer roet roey roio roir roit rooi roor root rore rori roro rort rory rote roti roto rotr rott roty roye royt rrrr rtee rtei ryet ryot rytt ryyt teer teet teie teir teor ter- tere teri tero terr tery tete teti teto tetr tett teye teyr tie- tiee tiei tieo tier tiet tiit tire tiri tiro tirr tiry tite titi tito titt tiye tiyi tiyo to-y toee toei toer toet toey toie toit toor toot tore tori toro torr tort tory tote toti toto totr tott toty toyo toyt tre- tree trei treo tret trey tri- trie trio trit troe troi troo trot troy trte trtr try- trye tryo tteo tter ttoe ttoy tttt tyee tyer tyet tyir tyr- tyre tyro tyrr tyte tyti tyto tytt tyty yeer yeet yeie yeii yeir yeit yeot yere yeri yero yerr yert yery yete yeti yeto yett yeye yeyi yeyo yeyr yiet yire yirr yite yiti yoit yoot yore yori yoro yort yory yote yott yoye yoyo ytre yyyy