-er a-a a-b aaa aab aad aae aao aar aav ab- aba abb abd abe abo abr abv ad- ada adb add ade ado adr adv aea aeb aed aee aeo aer aev aoa aob aod aoe aoo aor aov ar- ara arb ard are aro arr arv av- ava avb avd ave avo avr baa bab bad bae bao bar bav bba bbb bbd bbe bbo bbr bda bdb bdd bde bdo bdr bdv be- bea beb bed bee beo ber bev boa bob bod boe boo bor bov bra brb brd bre bro brr brv bva bvb bvd bve bvo bvr bvv daa dab dad dae dao dar dav dba dbb dbd dbe dbo dbr dbv dda ddb ddd dde ddo ddr de- dea deb ded dee deo der dev doa dob dod doe doo dor dov dra drb drd dre dro drr drv dva dvb dvd dve dvr eaa eab ead eae eao ear eav eba ebb ebd ebe ebo ebr ebv ed- eda edb edd ede edo edr eea eeb eed eee eeo eer eev eo- eoa eob eod eoe eoo eor era erb erd ere ero err erv eva evb evd eve evo evr evv oaa oab oad oae oao oar oav ob- oba obb obd obe obo obr obv oda odb odd ode odo odr odv oea oeb oed oee oeo oer oo- ooa oob ood ooo oor oov or- ora orb ord ore oro orr orv ov- ova ovb ovd ove ovo ovv ra- raa rab rad rae rao rar rav rba rbb rbd rbe rbo rbr rda rdb rdd rde rdo rdr rdv re- rea reb red ree reo rer rev roa rob rod roe roo ror rov rra rrb rrd rrr rva rvb rvd rve rvo rvr rvv v-a v-e vaa vab vad vae vao var vav vba vbd vbo vbr vbv vdb vdd vde vdo vdr vdv vea veb ved vee veo ver voa vob vod voe voo vor vov vra vrb vrd vre vrr vva vvb vvo vvr vvv

a-be a-do aaaa aaab aaad aaae aaar aaav aaba aabb aabd aada aade aaea aaev aaoe aaoo aara aard aare aaro aava abaa abab abad abae abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber aboa abob abod aboo abor abov abra abro abva abvd adaa adab adad adae adao adar adba adda addd adde addo addr adea adeb adee adeo ader adob adod adoe adoo ador adra adre adro advb aede aeer aer- aera aerd aero aeva aoba aora aorb arab arad arae arar arba arbe arda arde ardo area ared aree areo arev aroa arob arod aroe aroo aror arr- arra arre arro arrr arva arve arvo avab avao avar avda avea aveo aver avor avra avre avro avva avvo baaa baad baar baba babb babe babo babr bada badb badd bade bado badr baed baer bar- bara barb bard bare baro barr bava bave bbad bbbb bbdd bbdo bbeb bd-r bdav bead bear beav beba bebb bebe bebo beda bede bedo beeb beed beer beo- beod beor bera berd bere bero berr bevo boab boad boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boob bood booe boor bor- bora bord bore boro borr bova bove bovo brab brad brae brao brav brda brdo brea breb bred bree breo brer brev broa brob brod broe broo bror brrr d-bo daab daad daae daar daba dabb dabo dada dade dado daeb daer dara darb dard dare daro darr dava dave dbar dddd ddre dead deae dear deba debe deda dedd dede dedo deeb deed deer deev deor der- dera derb dere dero derr derv deva deve devo doab doae doar doba dobb dobe dod- doda dodd dode dodo doea doer doob dood door dora dord dore doro dorr dove draa drab drad drar drba drda drea dred dree drev drob drod drra dvar dvda dvdr dvoa dvor dvra eaba eada eadb eadd eara earb eard eare earo eave ebba ebbo ebbr ebed eber eboe eboo ebor ebro edad edar edda edde eddo ede- edea eder edod edra edve eede eeea eeee eera eero eeva eode eora eore erad erba erbb erbe erda erde ereb ered erer erev erob erod eroe eroo erra erre erro erve evae evar evdb evea ever evoe evoo evra evre 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 odva oedo oera oere ooaa ooba oobe ooda ooer oooo oora oord oore orab orad orae orao orar orav orba orbb orbe orbo orda orde ordo ore- orea oreb ored oreo orer oro- oroe oror orra orro orve orvr ovar ovda ovde ovee over ovo- ovod ovoo ovra ovre raab raad raba rabb rabe rabo rada radd rade rado radr raed raer raob rara rarb rare raro rava rave rbbb rbbr rder rdev rea- read reae reao rear reba rebb rebe rebo reda redd rede redo redr reeb reed reev reod rera rerd rere rero reva revd reve revo roab road roar rob- roba robb robe robo roda rodd rode rodo roea roed roer roev roob rood roor rora rore roro rova rove rovo rrad rred rrrr rved rver vaad vaar vada vade vado vara vard vare varr vava vder vdre vear veba veda vede vedo veer veor ver- vera verb verd vere vero veve vevo voad voar voda vode vodo voer voor vor- vora vord vore voro vrav vrba vred vreo vver vvob vvvv

-aaa- -abad aaaee aabaa aabba aabra abaab ababa ababe abada abade abaer abara abare abava abave abbad abbar abbed abbod abead abear abeba abebe abede abedo abeed abeer abera abere aberr aboab aboad abobo abode abood abora abord abore above abovo abrad abrar abrod adaba adabe adada adado adara adare adaro adava adber addae addea added adder addra adead adear adeeb adeed adeer adeva adeve adoar adobe adobo adodb adoor adora adore adoro adove adrad adrar