-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

bbbb bbdd bbeb bbrg bd-r bdii bebb bebe bebi bede bedi bedu beeb beed beeg beer begg begi begu beir berd bere berg beri berr beru beur bgdv bibb bibe bibi bide bidi bidr bidu bieb bied bier bieu bigb bigd bige bigg bigu birb bird bire birg biri birr biru bive bivi breb bred bree breg brei brer brev brid brie brig brrr brud brue brug bruv brvi bubb bube bubi bubu budb budd bude budg budi budu buer bueu buge bugg bugi buid buie buir buiu bur- burb burd bure burg buri burr buru buvd buve bvdu dddd ddie ddre ddub debe debi debu dedd dede dedi dedu deeb deed deeg deer deev dege degi degu deid deie deir der- derb dere derg deri derr derv deue deur deve devi dgeg dgge dibb dibe dide didi didu dieb died dier dieu dige digg digi diii diiv dird dire dirr divd dive divi dred dree dreg drei drev drge drib drie drub drue drug drui druu druv dub- dubb dube dubu dudd dude dudu duer dugu duid duir dure durg duri duru duur duve dvdr dvi- dvii dvir ebbr ebed eber ebid ebru ebur edde eddi ede- edei eder edge edie edru edur edve eede eedu eeee eerg egbe egbu egee eger eggb egge eggi egir egre egri eid- eide eidi eidr eidu eied eiei eier eige eigg eird eire erbb erbe erde erdi ereb ered erei erer erev erg- ergg ergi erie eriu erre erub erur eruv erve ervi eubi eude euer euge eur- eure evdb ever evid evie evir evre gbde gddb gebe gebi gedd gede gedi gedu geed geer gege gegg geie geig geir gerb gerd gere geri geru geue geve gggg gibb gibe gidd gide gidi gied gier gige gigg gigi gird gire girg giri girr giru giue giur give grbr greb gree greg greu grev grib grid grie grig grrr grub grue grug grui grur grve gubb gubi gubu gude gudi gudu guer gugb guge gugg gugi gugu guib guid gurb gurd gure gurg guri gurr guru gvvv i-be ibed ibeg ibge ibid ibie ibrd ibri idbe ided idee ider idid idie idig idir idre idub idvd idve iedr ieie iere ieri ieud iger igri igue iide iied iiie iiii irbe ired iree irer iri- irid irie irig irre irri iuge iuiu ivbv ivdr iver ivie ivig ivre ivue rbbb rbbr rder rdev rebb rebe rebu redd rede redi redr redu reeb reed reev regd rege regi regr regu reid reii reir reiu rerd rere rerg reri reru reue reuu revd reve revi rgbe rgbi rib- ribe ribu ridd ride ridi ried rier rieu rige rigg rigi rigu rire riri riue rive rred rrrr rubb rube rubi rubu rudd rude rudi rued ruer ruge rugg rugi ruid rurd rure ruri ruru ruud ruve ruvi ruvu rved rver u-ie ubbe ubbi uber ubid ubii ubir ubud uddi uder udev udgb udge udid udig udir ueir ugri ugur uguu uige uirr urbe urbi urde urdu ure- ured urge urgi urgu urib urie uriu urre urri urur urve uuri uuuu uv-b uver uvgi uvid uvrd uvri uvvu vbrg vder vdre vdub vede vedi veer vege veid