-tree eeeee ef-ts efere efetf effer effet effts efrem efter emeer emere emert emese emmer emmet emtee erem- erere erest erets ermes erres erses erste ersts erte erter ertes esere esmes esref esser esses essse estee ester estes estet estre etest etete etree etres etter ettes feeme feere feers feese feets femes femme feres feret ferme ferr- ferre ferse ferte feser fesse fest- feste fests feter fetes fette freer frees freet freme fremm frere frese fress frest frets frett ftest ftmts ftrtt m-set meees meefe meems meere meers meese meest meete meets meffs memer memes merer meres meret merms merre merse merss merte mesee mesem meses messe meste meter metes metr- metre metse mette metts mmmmm mrmet mt-te mt-tf mt-tm mt-tr mt-tt mterf mtfmt mtree reefe reefs reeft reeme reere reese reest refer refet reffe refme refms refts remee remer remet remse rere- reree reres reret resee reses reset resse reste restr rests retee retem reter retes rette retts rsssf rtems rtrfm seeem seeme seems seere seers seese seest seete sefer sefes seffe sefte semee semes semet semme seref serer seres seret serfe serff serfs serme serre serse serss sert- serte serts seser seses sesse seste setee setem seter setme setse setsf sette setts smees smeet smere smert smets sssss steem steer stees steet steff stemm stems stere sterr sters stert stete stets stmfr stree strem stret strrs strsm teeme teems teers teese teest teets tefe teffs temes temse terem teres teret terme terms terre terrs terse tert- tesem tesse teste tests teter tetes tetr- tette treer trees treet trefe treff trefs treme trere tres- trese tress trest trete trets trett tsere tsets tsmmr ttest ttttt