-tree eeeee eeros eorre eoste erere erest erets eroes eroor eroos erore erose eross eroto erres error erses erste ersts erte erter ertes esere esser esses essor essse estee ester estes estet estos estre estro etest etete etoro etree etres etter ettes oeses oeste oo-er ooooo ooser ooste oreo- oreos orere orero orest oroer orose oroso orost orret orser orses orter ortes ortet ortoo osete ososo osse- osseo osser osset ossos oste- osteo oster ostre ostro otere otero otoes otose otoso ototo otros otste otter ottos reere reese reest reose rere- reree reres reret resee reses reset resor resse reste resto restr rests retee reter retes retro rette retto retts ro-ro roero roers roest rooer roore roose roost roote roots rorer rorts rosee roseo roser roses roset rosse rosso rosss roste rosto rosts roter rotes roto- rotor rotos rotot rotte rotto s-o-r seeor seere seers seese seeso seest seete seeto serer seres seret sero- serre serro serse serss sert- serte serto serts seser seses sesse seste sesto setee seter setor setos setse sette setto setts so-so soers soest soore soort soote soots soree sorer sores soret soroe soror soros sorre sorso sorte sorts soses soss- sosto soter sotes sotoo sotos sotto sotts sroot sssss steer stees steet stere stero sterr sters stert stete stets stoer stoor stoos stoot store storo storr stors stort stose stoss stote stots stott stree stret stroe stros strot strrs teers teese teest teets teres teret teror terre terro terrs terse tert- teseo tesse teste testo tests teter tetes tetr- tetro tette toerr toeto toore toose toost toots toreo tores toret toros torre torro torrs torse torso torst torte torto torts tosee toser toses toset tosos toss- tosse toste tosto toter totes toto- totoe totoo totos totse totte treer trees treet treos trere tres- trese tress trest trete trets trett troee tross trost trots trott tsere tsets tsoro tsort ttest ttttt