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 dubu duda dudd dude dudo dudu duer duga dugu duo- dura dure durg duro duru duur eaba eada eadb eadd eaga eage eara earb eard eare earo ebba ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edad edag edar edda edde eddo ede- edea eder edge edod edou edra edru edur eede eedu eeea eeee eega eera eerg eero egaa egad egae egao egar egba egbe egbu egea egee eger eggb egge eggo ego- egor egra egre eode eora eore erad erau erba erbb erbe erda erde ereb ered erer erg- erga ergg ergo erob erod eroe eroo erra erre erro erua erub erur euba eude euer euge eur- eura eure euro gaar gaba gabb gabe gabo gabr gabu gada gadd gade gado gaea gaed gaer gaga gage gagg gago gagu gara garb gard gare garg garo garr gaua gaub gaud gaue gaur gbag gbbo gbde gddb gdor geab gead gear geba gebe geda gedd gede gedo gedu geed geer gege gegg gego geo- geog gera gerb gerd gere gero geru geue gggg goad goar goba gobe gobo goda gode godo goed goer goga gogo good goog goor gora gorb gord gore gorg goro gorr gou- goud goug gour grab grad grae grau grbr grea greb gree greg greu grob grod grog groo gror grou grrr grua grub grue grug grur guaa guag guao guar guba gubb gubu guda gude gudo gudu guer guga gugb guge gugg gugu gura gurb gurd gure gurg guro gurr guru o-eo oaau oade oaer oara oare obad obba obbo obea obed ober oboe obor obra obre obro odbo odda oddd odea oded odeo oder odoo odor odou odra odur oedo oegb oera oere ogae ogar ogb ogba ogbe ogea ogee oger ogge ogoa ogod ogog ogou ogra ogre ogro ooaa ooba oobe ooda ooer oooo oora oord oore orab orad orae orao orar orba orbb orbe orbo orbu orda orde ordo ordu ore- orea oreb ored oreg oreo orer orga orge orgo oro- oroe oror orra orro orub ouad oude ouea oued ouer ouge our- oura oure ouro ouu- raab raad raag raba rabb rabe rabo rabu rada radd rade rado radr radu raed raeg raer raga rage ragg rago ragu raob rara rarb rare raro raua raub raud raue rbbb rbbr rder rea- read reae reao rear reau reba rebb rebe rebo rebu reda redd rede redo redr redu reeb reed rega regd rege rego regr regu reod reog reou rera rerd rere rerg rero reru reue reuu rgba rgbe roab road roag roar rob- roba robb robe robo robu roda rodd rode rodo roea roed roeg roer roga roge rogg rogo roob rood roog roor rora rore roro roru roua roub roud roue rrad rred rrrr ruad ruag ruba rubb rube rubu ruda rudd rude rudo rued ruer ruga ruge rugg rura rurd rure ruro ruru ruud uaru uaua ubar ubba ubbe ubbo uber ubod ubra ubud udaa udad udar udau udea uder udgb udge udoo udra ueba ueda ugab ugao ugar ugeo uggo ugod ugra ugro