idrf idta ieac ieat iecc iedr ieet ieie iera iere ieri ieta ietf iett ifaa ifac ifae ifar ifat ifcd ifda ifer ific ifid ifit ifra ifrf ifri ifta iiac iica iicd iida iide iied iifa iiie iiii iiit iira iirc iita iitr iitt irac irad irae iraf irai irar irca ircc ircd irda irdc ired iree irer irfe iri- iria iric irid irie irra irrc irre irri irta irte irtf irti itaa itac itaf itai itar itat itea itec iter itet itfa itia itic itie itif itra itrf itri itta ittf raad raaf raat rac- raca racc race raci ract rada radc radd rade radr radt raec raed raef raer rafa rafc rafe raff rafi raft raia raic raid raie raif raii rair rait rara rare rarf rari rata rate ratf rati ratt rcac rcaf rccc rcdc rcde rcet rcfc rcic rcid rcrd rctc rcti rdac rder rdfa rea- reac read reae reaf rear reat reca recc recd rece reci recr rect reda redc redd rede redi redr reed reef reet refd refe reff refi refr reft reia reid reif reii reir reit rera rerd rere reri rert reta retd rete reti retr rett rfae rfdi rfef rffc rfic rfid rftc riaa riad riai riat rica ricc rice rict rida ridc ridd ride ridi ried rief rier riet rifa rife riff rift riia riif rire riri rita rite riti ritt rrad rrat rred rrfc rrif rrrr rtai rtca rtcc rtce rtdt rtee rtei rtfc taa- taaf taar taat taca tacc tace taci tact tada tade taec taer tafa tafc tafe taff tafi taft taia tair tait tara tarc tard tare tarf tari tarr tart tata tate tati tatr tatt tcad tcca tccc tcdd tcfc tctc tdac tdff tdra tdri teac tead tear teat teca tecr tect teda tedd tede tedi teec teed teef teer teet tefc teff tefi teft teia teic teie teir ter- tera terc tere terf teri terr teta tete teti tetr tett tfae tfca tfdc tfec tftc tiaa tiaf tiar tica ticc tice tidc tidd tide tie- tiea tied tiee tief tiei tier tiet tifa tiff tift tiit tira tird tire tiri tirr tita titc tite titi titt traa trac trad trae traf trai trat trca trcc tre- trea trec tred tree tref trei tret trfc trfd trfr tri- tria tric trie trif trit trra trtc trte trtr tter ttfa ttfc ttff tttt