-er -ey eee eer eet eey ere err ert ery ete etr ett ety eye eyr eyt re- ree rer ret rey rrr rrt rte rtr rtt rty ry- rye ryr ryy te- tee ter tet tey tre trr trt try tte ttr ttt tty tye tyr tyt yee yer yet yey yre yrt yte ytr ytt yye yyt yyy

eeee eery eete erer eret erre erye etee eter etre ette etty eyer eyet eyey eyre eyry eyte eyyr reet rere rert rery rete retr rett rety reye rrrr rtee ryet rytt ryyt teer teet ter- tere terr tery tete tetr tett teye teyr tre- tree tret trey trte trtr try- trye tter tttt tyee tyer tyet tyr- tyre tyrr tyte tytt tyty yeer yeet yere yerr yert yery yete yett yeye yeyr ytre yyyy

-tree eeeee erere errey erte erter etete etree etter eyere eyrer reere rere- reree reret retee reter rette reyte rytte ryyty teety teret terre terry tert- teter tetr- tette tetty teyre treer treet treey trere trete trett trety treye tryer tryte ttttt tyere tyree tyrer tyret tytte ye-ye yeere yeter yette yeyre ytter yyete

errett eyerer r-tree re-try reetry reteer reteet retere retree retret retter reyter t-tree teetee teeter terete terrer terret terrye terter tertre tertry tetete tetter tettey treete tretee trette tretty treyte trytry tyrret yerere yetter

reteere reterre retrete rettert rettery teetery terere terreer terrere tettery tettete treetee trettre treyter tyrette