-er b-u bbb bbd bbe bbg bbi bbr bbu bdb bdd bde bdg bdi bdr bdu bdv be- beb bed bee beg bei ber beu bev bgb bgd bge bgg bgi bgr bgu bgv bi- bib bid bie big bii bir biu biv brb brd bre brg bri brr bru brv bub bud bue bug bui bur buu bvb bvd bve bvg bvi bvr bvu bvv dbb dbd dbe dbg dbi dbr dbu dbv ddb ddd dde ddg ddi ddr ddu de- deb ded dee deg dei der deu dev dgd dge dgg dgi dgr dgu di- dib did die dig dii dir diu div drb drd dre drg dri drr dru drv dub dud due dug dui dur duv dvb dvd dve dvg dvi dvr dvu ebb ebd ebe ebg ebi ebr ebu ebv ed- edb edd ede edg edi edr edu eeb eed eee eeg eer eev egb egd ege egg egi egr egu eib eid eie eig eii eir eiu eiv erb erd ere erg eri err eru erv eu- eub eud eue eug eui eur euv evb evd eve evg evi evr evv g-d gbd gbe gbg gbi gbr gbu gbv gdb gdd gde gdi gdr gdu gdv ge- geb ged gee geg gei ger geu gev ggb ggd ggg ggi ggr ggu ggv gib gid gie gig gii gir giu giv grb grd gre grg gri grr gru grv gu- gub gud gue gug gui gur guu guv gvb gvd gve gvg gvi gvr gvu i-d i-v ibb ibd ibe ibg ibi ibr ibu ibv idb idd ide idg idi idr idu idv ie- ied iee ieg iei ier iev igb igd ige igg igi igr igu iib iid iie iii iir iiu ir- irb ird ire irg iri irr iru irv iu- iub iud iue iug iui iur ivb ivd ive ivg ivi ivr ivu ivv rbb rbd rbe rbg rbi rbr rbu rdb rdd rde rdg rdi rdr rdu rdv re- reb red ree reg rei rer reu rev rgb rgd rge rgg rgi rgr rgv rib rid rie rig rii rir riv rrb rrd rrg rri rrr rru rub rud rue rug rui rur ruu ruv rvb rvd rve rvg rvi rvr rvu rvv ubb ube ubg ubi ubr ubu ubv udb udd ude udg udi udr udu udv ueb ued uee ueg uei uer ugb uge ugg ugi ugr ugu uib uid uie uig uii uir uiu ur- urb urd ure urg uri urr uru uue uug uur uuu uvb uve uvu uvv v-e vbd vbg vbi vbr vbv vdb vdd vde vdg vdi vdr vdu vdv veb ved vee veg vei ver veu vgg vgr vgu vi- vib vid vie vig vii vir viu viv vrb vrd vre vrg vri vrr vru vue vug vur vuv vvb vvg vvi vvr vvv