-er b-u bbb bbd bbe bbg bbo bbr bbt bbu bdb bdd bde bdg bdo bdr bdt bdu be- beb bed bee beg beo ber bet beu bgb bgd bge bgg bgo bgr bgt bgu bob bod boe bog boo bor bot bou brb brd bre brg bro brr brt bru btb btd bte btg bto btr btt btu bub bud bue bug buo bur but buu dbb dbd dbe dbg dbo dbr dbt dbu ddb ddd dde ddg ddo ddr ddt ddu de- deb ded dee deg deo der det deu dgd dge dgg dgr dgt dgu dob dod doe dog doo dor dot dou drb drd dre drg dro drr drt dru dtb dtd dte dtg dto dtr dtt dtu dub dud due dug duo dur dut ebb ebd ebe ebg ebo ebr ebt ebu ed- edb edd ede edg edo edr edt edu eeb eed eee eeg eeo eer eet egb egd ege egg ego egr egt egu eo- eob eod eoe eog eoo eor eot eou erb erd ere erg ero err ert eru etb etd ete etg eto etr ett etu eu- eub eud eue eug eur eut g-d gbd gbe gbg gbo gbr gbt gbu gdb gdd gde gdo gdr gdt gdu ge- geb ged gee geg geo ger get geu ggb ggd ggg ggo ggr ggt ggu gob god goe gog goo gor got gou grb grd gre grg gro grr grt gru gtb gtd gte gtg gto gtr gtt gtu gu- gub gud gue gug guo gur gut guu ob- obb obd obe obg obo obr obt obu odb odd ode odg odo odr odt odu oeb oed oee oeg oeo oer oet ogd oge ogg ogo ogt oo- oob ood oog ooo oor oot or- orb ord ore org oro orr ort oru ot- otb otd ote otg oto otr ott otu ou- oud oue ouo our out rbb rbd rbe rbg rbo rbr rbt rbu rdb rdd rde rdg rdo rdr rdt rdu re- reb red ree reg reo rer ret reu rgb rgd rge rgg rgo rgr rgt rob rod roe rog roo ror rot rou rrb rrd rrg rrr rrt rru rtb rtd rte rtg rto rtr rtt rtu rub rud rue rug ruo rur rut ruu tbb tbd tbe tbg tbo tbr tbt tbu tdb tdd tde tdg tdo tdr tdt tdu te- teb ted tee teg teo ter tet teu tgb tge tgg tgo tgr tgt tgu to- tob tod toe tog too tor tot tou trb trd tre trg tro trr trt tru ttb ttd tte ttg tto ttr ttt ttu tub tud tue tug tuo tur tut tuu ubb ube ubg ubo ubr ubt ubu udb udd ude udg udo udr udt udu ueb ued uee ueg uer uet ugb uge ugg ugo ugr ugt ugu uob uod uoe uog uoo uor uot ur- urb urd ure urg uro urr urt uru utb utd ute uto utr utt utu uue uug uur uut uuu

bbbb bbdd bbdo bbeb bbet bbrg bd-r bdog bebb bebe bebo bede bedo bedu beeb beed beeg beer beet begg bego begu beo- beod beor beot berd bere berg bero berr bert beru bete beto bett betu beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boer boet bogd boge bogg bogo bogt boob bood booe boog boor boot bor- bord bore borg boro borr bort boru botb botd bote boto bott boud boue bour bout brdo brdt breb bred bree breg breo brer bret brob brod broe brog broo bror brot brou brrr brud brue brug brut btdt btob btor btrt bttb bubb bube bubo bubu budb budd bude budg budo budu buer bueu buge bugg bugo bur- burb burd bure burg buro burr burt buru but- bute buto butt d-bo dbtt dddd ddot ddre ddub debe debt debu dedd dede dedo dedu deeb deed deeg deer deet dege dego degu deor der- derb dere derg dero derr dete deto detr deue deur deut dgeg dgge dobb dobe dobu dod- dodd dode dodg dodo doeg doer dog- doge dogg dogo dogu doob dood door doot dord dore doro dorr dort doru dotd dote doto dott doub doud doue doug dour dout dred dree dreg dret drge drob drod drog drot drou drub drue drug drut druu dted dtor dtot dub- dubb dube dubu dudd dude dudo dudu duer duet dugu duo- dure durg duro durt duru dute duur duut ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddo ede- eder edge edod edou edru edur eede eedu eeee eerg eero eete eetu egbe egbu egee eger eggb egge eggo ego- egor egot egre egte eode eore eotd eoto erbb erbe erde ereb ered erer eret erg- ergg ergo erob erod eroe eroo erre erro ertu erub erur etbr etee eter etoe etre etro ette etto ettu eude euer euge eur- eure euro eurt gbbo gbde gddb gdor gdrt gebe gedd gede gedo gedu geed geer geet gege gegg gego geo- geog gerb gerd gere gero gert geru getb gete getg geto gett geue ggbt gggg gobe gobo gode godo goed goer gogo good goog goor goot gorb gord gore gorg goro gorr gort gotd gote goto gott gou- goud goug gour gout grbr greb gree greg gret greu grob grod grog groo gror grot grou grrr grub grue grug grur grut gtbr gtoe gubb gubu gude gudo gudu guer gugb guge gugg gugu gurb gurd gure gurg guro gurr gurt guru gute guto gutt gutu o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odor odot odou odtu odur oedo oegb oere ogb ogbe ogee oger ogge ogod ogog ogou ogre ogro oobe ooer oooo oord oore oort ootb orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreg oreo orer orge orgo oro- oroe oror orot orro orte orto orub otbd oted otee oter oto- otoe otog otoo otor otre otro otte