-er a-a a-b aaa aab aad aae aag aao aar aav ab- aba abb abd abe abg abo abr abv ad- ada adb add ade adg ado adr adv aea aeb aed aee aeg aeo aer aev ag- aga agb agd age agg ago agr agv aoa aob aod aoe aog aoo aor aov ar- ara arb ard are arg aro arr arv av- ava avb avd ave avg avo avr baa bab bad bae bag bao bar bav bba bbb bbd bbe bbg bbo bbr bda bdb bdd bde bdg bdo bdr bdv be- bea beb bed bee beg beo ber bev bga bgb bgd bge bgg bgo bgr bgv boa bob bod boe bog boo bor bov bra brb brd bre brg bro brr brv bva bvb bvd bve bvg bvo bvr bvv daa dab dad dae dag dao dar dav dba dbb dbd dbe dbg dbo dbr dbv dda ddb ddd dde ddg ddo ddr de- dea deb ded dee deg deo der dev dga dgd dge dgg dgr doa dob dod doe dog doo dor dov dra drb drd dre drg dro drr drv dva dvb dvd dve dvg dvr eaa eab ead eae eag eao ear eav eba ebb ebd ebe ebg ebo ebr ebv ed- eda edb edd ede edg edo edr eea eeb eed eee eeg eeo eer eev ega egb egd ege egg ego egr eo- eoa eob eod eoe eog eoo eor era erb erd ere erg ero err erv eva evb evd eve evg evo evr evv g-d gaa gab gad gae gag gao gar gav gba gbd gbe gbg gbo gbr gbv gda gdb gdd gde gdo gdr gdv ge- gea geb ged gee geg geo ger gev gga ggb ggd ggg ggo ggr ggv goa gob god goe gog goo gor gov gra grb grd gre grg gro grr grv gva gvb gvd gve gvg gvo gvr oaa oab oad oae oag oao oar oav ob- oba obb obd obe obg obo obr obv oda odb odd ode odg odo odr odv oea oeb oed oee oeg oeo oer oga ogd oge ogg ogo oo- ooa oob ood oog ooo oor oov or- ora orb ord ore org oro orr orv ov- ova ovb ovd ove ovo ovv ra- raa rab rad rae rag rao rar rav rba rbb rbd rbe rbg rbo rbr rda rdb rdd rde rdg rdo rdr rdv re- rea reb red ree reg reo rer rev rga rgb rgd rge rgg rgo rgr rgv roa rob rod roe rog roo ror rov rra rrb rrd rrg rrr rva rvb rvd rve rvg rvo rvr rvv v-a v-e vaa vab vad vae vag vao var vav vba vbd vbg vbo vbr vbv vdb vdd vde vdg vdo vdr vdv vea veb ved vee veg veo ver vga vgg vgo vgr voa vob vod voe vog voo vor vov vra vrb vrd vre vrg vrr vva vvb vvg vvo vvr vvv

a-be a-do aaaa aaab aaad aaae aaar aaav aaba aabb aabd aada aade aaea aaev aage aaoe aaoo aara aard aare aaro aava abaa abab abad abae abag abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber abgd aboa abob abod aboo abor abov abra abro abva abvd 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 advb aede aeer aega aer- aera aerd aero aeva ag-o agad agag agao agar agav agba agbo agda agde agea aged agee ager agga agge agob agod agog agoo agra agre agro agva aoba aora aorb arab arad arae arag arar arba arbe arda arde ardo area ared aree areg areo arev arga argb arge argo aroa arob arod aroe aroo aror arr- arra arre arrg arro arrr arva arve arvo avab avao avar avda avea aveo aver avgo avor avra avre avro avva avvo 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 bava bave bbad bbbb bbdd bbdo bbeb bbga bbrg bd-r bdav bdog bead beag bear beav beba bebb bebe bebo beda bede bedo beeb beed beeg beer bega begg bego beo- beod beor bera berd bere berg bero berr bevo bgdv 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 bova bove bovo brab brad brae brag brao brav brda brdo brea breb bred bree breg breo brer brev 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 dagv dara darb dard dare darg daro darr dava dave dbag dbar dddd ddre dead deae dear deba debe deda dedd dede dedo deeb deed deeg deer deev dega dege dego deor der- dera derb dere derg dero derr derv deva deve devo 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 dove draa drab drad drag drar drba drda drea dred dree dreg drev drge drob drod drog drra dvar dvda dvdr dvoa dvor dvra eaba eada eadb eadd eaga eage eara earb eard eare earo eave ebba ebbo ebbr ebed eber eboe eboo ebor ebro edad edag edar edda edde eddo ede- edea eder edge edod edra edve eede eeea eeee eega eera eerg eero eeva egaa egad egae egao egar egba egbe egea egee eger eggb egge eggo ego- egor egov egra egre eode eora eore erad erba erbb erbe erda erde ereb ered erer erev erg- erga ergg ergo erob erod eroe eroo erra erre erro erve evae evar evdb evea ever evga evoe evoo evra evre gaar