-er a-a a-b aaa aab aad aae aag aak aao aar ab- aba abb abd abe abg abk abo abr ad- ada adb add ade adg adk ado adr aea aeb aed aee aeg aek aeo aer ag- aga agb agd age agg agk ago agr aka akb akd ake akg akk ako akr aoa aob aod aoe aog aok aoo aor ar- ara arb ard are arg ark aro arr baa bab bad bae bag bak bao bar bba bbb bbd bbe bbg bbk bbo bbr bda bdb bdd bde bdg bdk bdo bdr be- bea beb bed bee beg bek beo ber bga bgb bgd bge bgg bgk bgo bgr bka bkb bke bkg bkk bko bkr boa bob bod boe bog bok boo bor bra brb brd bre brg brk bro brr daa dab dad dae dag dak dao dar dba dbb dbd dbe dbg dbk dbo dbr dda ddb ddd dde ddg ddk ddo ddr de- dea deb ded dee deg dek deo der dga dgd dge dgg dgk dgr dka dkb dke dkg dkk dko dkr doa dob dod doe dog dok doo dor dra drb drd dre drg drk dro drr eaa eab ead eae eag eak eao ear eba ebb ebd ebe ebg ebk ebo ebr ed- eda edb edd ede edg edk edo edr eea eeb eed eee eeg eek eeo eer ega egb egd ege egg ego egr eka ekb ekd eke ekg eko ekr eo- eoa eob eod eoe eog eok eoo eor era erb erd ere erg erk ero err g-d gaa gab gad gae gag gak gao gar gba gbd gbe gbg gbk gbo gbr gda gdb gdd gde gdk gdo gdr ge- gea geb ged gee geg gek geo ger gga ggb ggd ggg ggo ggr gka gkb gkd gko goa gob god goe gog gok goo gor gra grb grd gre grg grk gro grr ka- kaa kab kad kae kag kak kao kar kba kbb kbd kbe kbk kbo kbr kda kdb kde kdg kdk kdo kdr ke- kea keb ked kee keg kek keo ker kga kgb kgd kgo kkb kke kkk kkr koa kob kod koe kog kok koo kor kra krd krg krk kro krr oaa oab oad oae oag oak oao oar ob- oba obb obd obe obg obk obo obr oda odb odd ode odg odo odr oea oeb oed oee oeg oeo oer oga ogd oge ogg ogo oka okb okd oke okg okk oko okr oo- ooa oob ood oog ook ooo oor or- ora orb ord ore org ork oro orr ra- raa rab rad rae rag rak rao rar rba rbb rbd rbe rbg rbk rbo rbr rda rdb rdd rde rdg rdo rdr re- rea reb red ree reg rek reo rer rga rgb rgd rge rgg rgk rgo rgr rkb rke rkg rkk rko roa rob rod roe rog rok roo ror rra rrb rrd rrg rrk rrr

a-ak a-be a-do a-ok aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aaea aage aaka aake aaoe aaoo aara aard aare aaro abaa abab abad abae abag abak abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber abgd aboa abob abod abok aboo abor abra abro adaa adab adad adae adag adak adao adar adba adda addd adde addo addr adea adeb adee adeo ader adob adod adoe adog adok adoo ador adra adre adro aede aeer aega aeka 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 akaa akae akao akar aked akee akeg aker akka akko akok akr- akra akre aoba aora aorb arab arad arae arag arak arar arba arbe arda arde ardo area ared aree areg arek areo arga argb arge argo arka arke arko aroa arob arod aroe aroo aror arr- arra arre arrg arrk arro arrr baaa baad baak baar baba babb babe babo babr bada badb badd bade bado badr baed baek baer baga bage bagg bago bak- baka bake bako bakr bar- bara barb bard bare barg bark baro barr bbad bbbb bbdd bbdo bbeb bbga bbrg bd-r bdog bead beag beak bear beba bebb bebe bebo beda bede bedo beeb beed beeg beek beer bega begg bego beka beke beko beo- beod beok beor bera berd bere berg berk bero berr bkgd boab boad boag boak boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boga bogd boge bogg bogo boka boke boko boob bood booe boog book boor bor- bora bord bore borg bork boro borr brab brad brae brag brak brao brda brdo brea breb bred bree breg brek breo brer brka brkb broa brob brod broe brog brok broo bror brrr d-bo daab daad daae daag daar daba dabb dabo dada dade dado daeb daer daga dage dagg dago dagr daka dake dako dara darb dard dare darg dark daro darr dbag dbar dddd ddre dead deae deak dear deba debe deda dedd dede dedo deeb deed deeg deek deer dega dege dego dek- deka deke deor der- dera derb dere derg derk dero derr dgeg dgge dgka dgkb dgkd dgkg dkba doab doae doak doar doba dobb dobe dod- doda dodd dode dodg dodo doea doeg doek doer dog- doga doge dogg dogo doka doke doko doob dood dook door dora dord dore dork doro dorr draa drab drad drag drak drar drba drda drea dred dree dreg drek 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 eeka eeke eera eerg eero egaa egad egae egao egar egba egbe egea egee eger eggb egge eggo ego- egor egra egre eka- ekab ekeb eked ekek eker ekka ekoa eode eoka eora eore erad erba erbb