-er -ey -up eee eep eer eet eex eey ep- epe epp epr ept epu epx ere erp err ert eru ery ete etp etr ett etu etx ety eu- eue eup eur eut eux ex- exe exp exr ext exu exx exy eye eyp eyr eyt p-p pee pep per pet peu pex pey ppe ppp ppr ppt ppu ppx pre prp prr prt pru prx pry pt- pte ptp ptr ptt ptu ptx pty pue pup pur put puu puy pxe pxr pxt py- pye pyr pyt pyu pyx re- ree rep rer ret reu rex rey rpe rpp rpr rpt rpu rpx rrp rrr rrt rru rte rtp rtr rtt rtu rtx rty rue rup rur rut ruu rux ruy rxp rxr ry- rye ryr ryu ryy t-x te- tee tep ter tet teu tex tey tpe tpp tpr tpt tpu tpx tre trp trr trt tru trx try tte ttp ttr ttt ttu ttx tty tue tup tur tut tuu tux tuy txe txt txu tye typ tyr tyt uee uep uer uet uey up- upe upp upr upt upu upx ur- ure urp urr urt uru urx ury ute utp utr utt utu utx uty uue uur uut uuu uxr uxt uxu uyu xee xep xer xet xeu xex xpe xpp xpt xrt xrx xry xtp xtr xtx xty xue xup xxp xxx xxy xyp xyr xyy yee yep yer yet yex yey ypu yre yrp yrt yru yte ytp ytr ytt ytu yue yup yur yut yuu yux yuy yxe yxy yye yyt yyu yyy