-er a-a a-b aaa aab aad aae aag aao aar aau ab- aba abb abd abe abg abo abr abu ad- ada adb add ade adg ado adr adu aea aeb aed aee aeg aeo aer aeu ag- aga agb agd age agg ago agr agu aoa aob aod aoe aog aoo aor aou ar- ara arb ard are arg aro arr aru au- aua aub aud aue aug auo aur b-u baa bab bad bae bag bao bar bau bba bbb bbd bbe bbg bbo bbr bbu bda bdb bdd bde bdg bdo bdr bdu be- bea beb bed bee beg beo ber beu bga bgb bgd bge bgg bgo bgr bgu boa bob bod boe bog boo bor bou bra brb brd bre brg bro brr bru bua bub bud bue bug buo bur buu daa dab dad dae dag dao dar dau dba dbb dbd dbe dbg dbo dbr dbu dda ddb ddd dde ddg ddo ddr ddu de- dea deb ded dee deg deo der deu dga dgd dge dgg dgr dgu doa dob dod doe dog doo dor dou dra drb drd dre drg dro drr dru dua dub dud due dug duo dur eaa eab ead eae eag eao ear eau eba ebb ebd ebe ebg ebo ebr ebu ed- eda edb edd ede edg edo edr edu eea eeb eed eee eeg eeo eer ega egb egd ege egg ego egr egu eo- eoa eob eod eoe eog eoo eor eou era erb erd ere erg ero err eru eu- eua eub eud eue eug eur g-d gaa gab gad gae gag gao gar gau gba gbd gbe gbg gbo gbr gbu gda gdb gdd gde gdo gdr gdu ge- gea geb ged gee geg geo ger geu gga ggb ggd ggg ggo ggr ggu goa gob god goe gog goo gor gou gra grb grd gre grg gro grr gru gu- gua gub gud gue gug guo gur guu oaa oab oad oae oag oao oar oau ob- oba obb obd obe obg obo obr obu oda odb odd ode odg odo odr odu oea oeb oed oee oeg oeo oer oga ogd oge ogg ogo oo- ooa oob ood oog ooo oor or- ora orb ord ore org oro orr oru ou- oua oud oue ouo our ra- raa rab rad rae rag rao rar rau rba rbb rbd rbe rbg rbo rbr rbu rda rdb rdd rde rdg rdo rdr rdu re- rea reb red ree reg reo rer reu rga rgb rgd rge rgg rgo rgr roa rob rod roe rog roo ror rou rra rrb rrd rrg rrr rru rua rub rud rue rug ruo rur ruu ua- uaa uab uad uae uag uao uar uau uba ubb ube ubg ubo ubr ubu uda udb udd ude udg udo udr udu uea ueb ued uee ueg uer uga ugb uge ugg ugo ugr ugu uoa uob uod uoe uog uoo uor ur- ura urb urd ure urg uro urr uru uua uue uug uur uuu

a-be a-do aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aadu aaea aage aaoe aaoo aara aard aare aaro aaru abaa abab abad abae abag abar abau abb- abba abbb abbe abbo abbr abda abdo abdu abed abee aber abgd aboa abob abod aboo abor abou abra abro abua abud abue abug adaa adab adad adae adag adao adar adba adda addd adde addo addr addu adea adeb adee adeo ader adob adod adoe adog adoo ador adra adre adro adua adub adue adur aede aeer aega aer- aera aerd aero ag-o agad agag agao agar agau agba agbo agda agde agea aged agee ager agga agge aggu agob agod agog agoo agou agra agre agro agua ague agur aoba aoeu aora aorb arab arad arae arag arar arau arba arbe arda arde ardo ardu area ared aree areg areo areu arga argb arge argo aroa arob arod aroe aroo aror arr- arra arre arrg arro arrr arru arua arub arud arue arug auaa aube aude audo auer auga auge aur- aura aurd aure auro auug baaa baad baar baba babb babe babo babr babu bada badb badd bade bado badr badu baed baer baga bage bagg bago bar- bara barb bard bare barg baro barr baru bau- baud baug baur bbad bbau bbbb bbdd bbdo bbeb bbga bbrg bd-r bdog bead beag bear beau beba bebb bebe bebo beda bede bedo bedu beeb beed beeg beer bega begg bego begu beo- beod beor bera berd bere berg bero berr beru beur boab boad boag boar boba bobb bobe bobo bobu boda bodb bode bodo bodu boea boee boeo boer boga bogd boge bogg bogo boob bood booe boog boor bor- bora bord bore borg boro borr boru boua boud boue bour brab brad brae brag brao brau brda brdo brea breb bred bree breg breo brer broa brob brod broe brog broo bror brou brrr brud brue brug buad buar buba bubb bube bubo bubu buda budb budd bude budg budo budu buea buer bueu buga buge bugg bugo bur- bura burb burd bure burg buro burr buru d-bo daab daad daae daag daar daau daba dabb dabo dabu dada dade dado dadu daeb daer daeu daga dage dagg dago dagr dagu daou dara darb dard dare darg daro darr daru daub daud daue daur dbag dbar dddd ddre ddub dead deae dear deau deba debe debu deda dedd dede dedo dedu deeb deed deeg deer dega dege dego degu deor der- dera derb dere derg dero derr deua deue deur dgeg dgge doab doae doar doba dobb dobe dobu dod- doda dodd dode dodg dodo doea doeg doer dog- doga doge dogg dogo dogu doob dood door dora dord dore doro dorr doru doub doud doue doug dour draa drab drad drag drar drau drba drda drea dred dree dreg drge drob drod drog drou drra drua drub drue drug druu duaa duab duad duar dub- duba dubb dube