eeee eefe eery eete efet effi effy efit eft- eftp eiei eier eipr eire eiry eiti eitr epee eper epi- epie epip epit eppp eppy eprp epte erei erer eret erft erie erit erpe erre erye etee eter etfe etre ette etti etty eyer eyet eyey eyfi eyir eype eyre eyry eyte eyyr feer feet fefe feff fefi feie feir feit fere ferr fert fery fete feti fetp fetr fett feyr feyt ffee ffff ffii ffrr fftf fief fier fife fiff fifi fift fiii fipp fire firy fite fiti fitt fprf free frei frep fret frey frie frip frit frye fter ftfy ftii ftpe fyfe fyfi fyre fyry fyti ieet ieie iere ieri ietf iett ifer iffy ifit ifrf ifri iiie iiii iiit iipf iitr iitt iper ipet ipie ippf ippr ippy ipri iree irer irfe iri- irie irip iriy irpe irre irri irte irtf irti irtp itep iter itet itie itif itrf itri itry ittf itty iyer iyet iypt iyre peep peer peet peff peip peir peit pepe pepi per- pere perf peri perp perr pert pery pete peti petr pett pety peyr pfet pfff pffr pfft pfit pfte piep pier piet piff piip pipe pipi pipp pipy pire piri pirr piry pite pitf piti pitr pitt pity piye pper ppie ppif pppp pprf pptt ppye pre- pree pref prep pret prey pri- prie prif prii prri prti prtp prtr pter ptrf pyep pyet pype pypy pyr- pyre pyri pyry pyte pytt reef reep reet refe reff refi refr reft reif reii reir reit repe repi repp repr rept repy rere reri rert rery rete reti retr rett rety reye rfef rief riep rier riet rife riff rift riif ripe ripi ripp ripr ript rire riri rite riti ritt riyf rpet rpii rrif rrrr rtee rtei rttp ryet ryfe ryff ryft ryif ryip rype rytt ryyf ryyt teef teer teet teff tefi teft teie teip teir tepe tepi tepp ter- tere terf teri terp terr tery tete teti tetr tett teye teyr tfpt tftp tie- tiee tief tiei tiep tier tiet tiff tift tiit tip- tipe tipi tipp tipt tire tiri tirr tiry tite titi titp titt tiye tiyi tper tpir tppp tppr tpte tptp tptr tre- tree tref trei tret trey trfr tri- trie trif trip trit trpe trpp trte trtr try- trye tryp tter ttff tttt tyee tyer tyet tyfe tyff tyft tyir typ- type typp typy tyr- tyre tyrf tyrr tyte tyti tytt tyty yeep yeer yeet yefe yeff yeft yeie yeii yeir yeit yepe yepp yere yeri yerr yert yery yete yeti yett yeye yeyi yeyr yfet yfte yiet yiff yift yipe yire yirr yite yiti yitp ypir ytre yyfe yyff yyyy