eeee eerg eete egee eger egge eggi eggp egir egpe egpi egre egri egte eiei eier eige eigg eipr eire eiti eitr epee eper epi- epie epip epit eppp eprp epte erei erer eret erg- ergg ergi erie erit erpe erre etee eter etre ette etti geep geer geet gege gegg geie geig geir geit gepe gere geri gert gete getg geti gett gggg gier giet gige gigg gigi gipe gipi gipp gire girg giri girr girt gite gper gpgp gpip gprp gree greg grep gret grie grig grip grit grrr gtip ieet ieie iere ieri iett iger iget igri iiie iiii iiit iitr iitt iper ipet ipie ippr ipri iree irer iri- irie irig irip irpe irre irri irte irti irtp itep iter itet itie itri peep peer peet pegg peip peir peit pepe pepi per- pere perg peri perp perr pert pete peti petr pett pger piep pier piet pigg pigp pigt piip pipe pipi pipp pire pirg piri pirr pite piti pitr pitt pper ppgi ppie ppig pppp pptt pre- pree preg prep pret pri- prie prig prii prri prti prtp prtr pter reep reet rege regi regr regt reii reir reit repe repi repp repr rept rere rerg reri rert rete reti retr rett rgit rgtr riep rier riet rige rigg rigi ripe ripi ripp ripr ript rire riri rite riti ritt rpet rpii rrrr rtee rtei rttp teer teet tegg tegi tegt teie teip teir tepe tepi tepp ter- tere teri terp terr tete teti tetr tett tie- tiee tiei tiep tier tiet tige tigi tigr tiit tip- tipe tipi tipp tipt tire tiri tirr tite titi titp titt tpeg tper tpir tppp tppr tpte tptp tptr tre- tree treg trei tret trge tri- trie trig trip trit trpe trpg trpp trte trtr tter tttt