-er -ey bbb bbe bbi bbr bbt bby be- beb bee bei ber bet bev bey bi- bib bie bii bir bit biv biy brb bre bri brr brt brv bry btb bte bti btr btt btv bty bvb bve bvi bvr bvt bvv by- bye byi byr byt ebb ebe ebi ebr ebt ebv eby eeb eee eer eet eev eey eib eie eii eir eit eiv erb ere eri err ert erv ery etb ete eti etr ett etv ety evb eve evi evr evt evv evy eye eyr eyt i-v ibb ibe ibi ibr ibt ibv iby ie- iee iei ier iet iev iey iib iie iii iir iit ir- irb ire iri irr irt irv iry itb ite iti itt itv ity ivb ive ivi ivr ivt ivv ivy iye iyr iyt iyy rbb rbe rbi rbr rbt re- reb ree rei rer ret rev rey rib rie rii rir rit riv riy rrb rri rrr rrt rtb rte rti rtr rtt rtv rty rvb rve rvi rvr rvt rvv rvy ry- rye ryr ryy tbb tbe tbi tbr tbt tbv te- teb tee tei ter tet tev tey tib tie tii tir tit tiv tiy trb tre tri trr trt trv try ttb tte tti ttr ttt ttv tty tvb tve tvi tvr tvt tvy tye tyr tyt v-e vbi vbr vbv veb vee vei ver vet vey vi- vib vie vii vir vit viv viy vrb vre vri vrr vrt vry vtb vte vti vtr vtt vtv vty vvb vvi vvr vvt vvv vye vyt ybe ybi ybr yby yeb yee yei yer yet yev yey yie yii yir yit yre yrt yte ytr ytt ytv yve yvi yvr yvy yyb yye yyt yyy