a-be a-do a-wa aaaa aaab aaad aaae aaar aaba aabb aabd aabw aada aade aaea aaoe aaoo aaow aara aard aare aaro aaww abaa abab abad abae abar abaw abb- abba abbb abbe abbo abbr abda abdo abed abee aber aboa abob abod aboo abor abow abra abro abwa abwe abwr adaa adab adad adae adao adar adaw adba adda addd adde addo addr adea adeb adee adeo ader adew adob adod adoe adoo ador adra adre adro adwa aede aeer aer- aera aerd aero aoba aora aorb aowd arab arad arae arar araw arba arbe arda arde ardo area ared aree areo arew aroa arob arod aroe aroo aror arow arr- arra arre arro arrr arwa arwe awad awae awar awbe awe- aweb awed awee awer awoo awow awre awro awwa baaa baad baar baba babb babe babo babr bada badb badd bade bado badr baed baer bar- bara barb bard bare baro barr baw- bawd bawe bbad bbbb bbdd bbdo bbeb bbwr bd-r bead bear beaw beba bebb bebe bebo beda bede bedo beeb beed beer beo- beod beor bera berd bere bero berr bewa bewe boab boad boar boba bobb bobe bobo bobw boda bodb bode bodo boea boee boeo boer boob bood booe boor boow bor- bora bord bore boro borr borw bowa bowd bowe bowr brab brad brae brao braw brda brdo brea breb bred bree breo brer brew broa brob brod broe broo bror brow brrr brwe bwaa d-bo daab daad daae daar daba dabb dabo dada dade dado daeb daer dara darb dard dare daro darr dawa dawd dawe dawo dawr dbar dddd ddre dead deae dear deaw deba debe deda dedd dede dedo deeb deed deer deor der- dera derb dere dero derr dewa dewe doab doae doar doba dobb dobe dod- doda dodd dode dodo doea doer doob dood door dora dord dore doro dorr dowa dowb dowd dowe dowr draa drab drad drar draw drba drda drea dred dree drew drob drod drow drra dwad dwar dwbe dwbr dwdd dwer dwor dwrd dwrw dwwe dwww eaba eada eadb eadd eara earb eard eare earo earw ebba ebbo ebbr ebbw ebed eber eboe eboo ebor ebow ebro edad edar edaw edda edde eddo ede- edea eder edod edra eede eeea eeee eera eero eode eora eore erad erba erbb erbe erda erde ereb ered erer erew erob erod eroe eroo erra erre erro ewer ewew ewre o-eo oade oaer oara oare obad obba obbo obea obed ober oboe obor obra obre obro odbo odda oddd odea oded odeo oder odoo odor odra oedo oera oere ooaa ooba oobe ooda ooer oooo oora oord oore orab orad orae orao orar orba orbb orbe orbo orda orde ordo ore- orea oreb ored oreo orer oro- oroe oror orra orro orwa orwe orwo owar owda owea owed ower owoe owow owre owwa raab raad raba rabb rabe rabo rada radd rade rado radr raed raer raob rara rarb rare raro rawa rawe rawr raww rbbb rbbr rder rea- read reae reao rear reba rebb rebe rebo reda redd rede redo redr reeb reed reod rera rerd rere rero rewa rewe roab road roar rob- roba robb robe robo roda rodd rode rodo rodw roea roed roer roob rood roor rora rore roro rowa rowb rowd rowe rowr roww rrad rred rrrr waaa waad waao waar waaw waba wabb wabd wabe wabo wabr wabw wada wadb wadd wade wado wadr waeb waed waee waer waew waob waoe waoo waor waow war- wara warb ward ware waro warr warw wawa wawb wawd wawe wawo wbaa wbab wbad wbae wbar wbbb wbbd wbbe wbbo wbbr wbbw wbdr wbea wbeb wbed wber wbew wbob wbor wbow wbrb wbrd wbrr wbrw wbwb wbwo wdab wdad wdae wdao wdba wdbd wdbo wdbr wddd wdde wddo wddw wdea wdeb wded wdeo wder wdod wdoe wdor wdow wdrb wdre wdrr wdwd wdwr weaa wead weao wear webb webd webe webo weda wedb wedd wede wedo wedr wedw weeb weed weeo weer weoa weod weow wer- wera werb werd were wero werr werw wewe wewo woaa woab woad woar woba wobb wobe wobo woda wodb wodd wode woed woer woob wood woow wora worb word wore woro worr worw wowb wowe wowo woww wraa wrab wrad wrae wrao wrar wraw wrba wrbb wrbe wrbo wrbw wrda wrdb wrdd wrdo wrdr wrdw wreb wred wree wrer wrew wroa wrob wrod wroo wrow wrra wrrb wrrd wrre wrro wrrw wrwa wrwb wrwd wrwr wwab wwba wwbb wwbd wwbr wwdb wwdr wwdw wwea wweb wweo wwer wwod wwor wwow wwra wwrb wwrd wwre wwrr wwrw wwwa wwwe wwwr wwww