-er a-a a-b aaa aab aad aae aag aao aar ab- aba abb abd abe abg abo abr ad- ada adb add ade adg ado adr aea aeb aed aee aeg aeo aer ag- aga agb agd age agg ago agr aoa aob aod aoe aog aoo aor ar- ara arb ard are arg aro arr baa bab bad bae bag bao bar bba bbb bbd bbe bbg bbo bbr bda bdb bdd bde bdg bdo bdr be- bea beb bed bee beg beo ber bga bgb bgd bge bgg bgo bgr boa bob bod boe bog boo bor bra brb brd bre brg bro brr daa dab dad dae dag dao dar dba dbb dbd dbe dbg dbo dbr dda ddb ddd dde ddg ddo ddr de- dea deb ded dee deg deo der dga dgd dge dgg dgr doa dob dod doe dog doo dor dra drb drd dre drg dro drr eaa eab ead eae eag eao ear eba ebb ebd ebe ebg ebo ebr ed- eda edb edd ede edg edo edr eea eeb eed eee eeg eeo eer ega egb egd ege egg ego egr eo- eoa eob eod eoe eog eoo eor era erb erd ere erg ero err g-d gaa gab gad gae gag gao gar gba gbd gbe gbg gbo gbr gda gdb gdd gde gdo gdr ge- gea geb ged gee geg geo ger gga ggb ggd ggg ggo ggr goa gob god goe gog goo gor gra grb grd gre grg gro grr oaa oab oad oae oag oao oar ob- oba obb obd obe obg obo obr oda odb odd ode odg odo odr 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 ra- raa rab rad rae rag rao rar rba rbb rbd rbe rbg rbo rbr rda rdb rdd rde rdg rdo rdr re- rea reb red ree reg reo rer rga rgb rgd rge rgg rgo rgr roa rob rod roe rog roo ror rra rrb rrd rrg rrr

a-be a-do aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aaea aage aaoe aaoo aara aard aare aaro abaa abab abad abae abag abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber abgd aboa abob abod aboo abor abra abro adaa adab adad adae adag adao adar adba adda addd adde addo addr adea adeb adee adeo ader adob adod adoe adog adoo ador adra adre adro aede aeer aega aer- aera aerd aero ag-o agad agag agao agar agba agbo agda agde agea aged agee ager agga agge agob agod agog agoo agra agre agro aoba aora aorb arab arad arae arag arar arba arbe arda arde ardo area ared aree areg areo arga argb arge argo aroa arob arod aroe aroo aror arr- arra arre arrg arro arrr baaa baad baar baba babb babe babo babr bada badb badd bade bado badr baed baer baga bage bagg bago bar- bara barb bard bare barg baro barr bbad bbbb bbdd bbdo bbeb bbga bbrg bd-r bdog bead beag bear beba bebb bebe bebo beda bede bedo beeb beed beeg beer bega begg bego beo- beod beor bera berd bere berg bero berr boab boad boag boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boga bogd boge bogg bogo boob bood booe boog boor bor- bora bord bore borg boro borr brab brad brae brag brao brda brdo brea breb bred bree breg breo brer broa brob brod broe brog broo bror brrr d-bo daab daad daae daag daar daba dabb dabo dada dade dado daeb daer daga dage dagg dago dagr dara darb dard dare darg daro darr dbag dbar dddd ddre dead deae dear deba debe deda dedd dede dedo deeb deed deeg deer dega dege dego deor der- dera derb dere derg dero derr dgeg dgge doab doae doar doba dobb dobe dod- doda dodd dode dodg dodo doea doeg doer dog- doga doge dogg dogo doob dood door dora dord dore doro dorr draa drab drad drag drar drba drda drea dred dree dreg drge drob drod drog drra eaba eada eadb eadd eaga eage eara earb eard eare earo ebba ebbo ebbr ebed eber eboe eboo ebor ebro edad edag edar edda edde eddo ede- edea eder edge edod edra eede eeea eeee eega eera eerg eero egaa egad egae egao egar egba egbe egea egee eger eggb egge eggo ego- egor egra egre eode eora eore erad erba erbb erbe erda erde ereb ered erer erg- erga ergg ergo erob erod eroe eroo erra erre erro gaar gaba gabb gabe gabo gabr gada gadd gade gado gaea gaed gaer gaga gage gagg gago gara garb gard gare garg garo garr gbag gbbo gbde gddb gdor geab gead gear geba gebe geda gedd gede gedo geed geer gege gegg gego geo- geog gera gerb gerd gere gero gggg goad goar goba gobe gobo goda gode godo goed goer goga gogo good goog goor gora gorb gord gore gorg goro gorr grab grad grae grbr grea greb gree greg grob grod grog groo gror grrr 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 oegb oera oere ogae ogar ogb ogba ogbe ogea ogee oger ogge ogoa ogod ogog ogra ogre ogro 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 oreg oreo orer orga orge orgo oro- oroe oror orra orro raab raad raag raba rabb rabe rabo rada radd rade rado radr raed raeg raer raga rage ragg rago raob rara rarb rare raro rbbb rbbr rder rea- read reae reao rear reba rebb rebe rebo reda redd rede redo redr reeb reed rega regd rege rego regr reod