-er a-a a-b a-t aaa aab aae aag aak aao aar aat ab- aba abb abe abg abk abo abr abt aea aeb aee aeg aek aeo aer aet ag- aga agb age agg agk ago agr agt aka akb ake akg akk ako akr aoa aob aoe aog aok aoo aor aot ar- ara arb are arg ark aro arr art at- ata atb ate atg ato atr att baa bab bae bag bak bao bar bat bba bbb bbe bbg bbk bbo bbr bbt be- bea beb bee beg bek beo ber bet bga bgb bge bgg bgk bgo bgr bgt bka bkb bke bkg bkk bko bkr bkt boa bob boe bog bok boo bor bot bra brb bre brg brk bro brr brt bta btb bte btg btk bto btr btt eaa eab eae eag eak eao ear eat eba ebb ebe ebg ebk ebo ebr ebt eea eeb eee eeg eek eeo eer eet ega egb ege egg ego egr egt eka ekb eke ekg eko ekr ekt eo- eoa eob eoe eog eok eoo eor eot era erb ere erg erk ero err ert eta etb ete etg etk eto etr ett gaa gab gae gag gak gao gar gat gba gbe gbg gbk gbo gbr gbt ge- gea geb gee geg gek geo ger get gga ggb ggg ggo ggr ggt gka gkb gko gkt goa gob goe gog gok goo gor got gra grb gre grg grk gro grr grt gta gtb gte gtg gtk gto gtr gtt k-t ka- kaa kab kae kag kak kao kar kat kba kbb kbe kbk kbo kbr ke- kea keb kee keg kek keo ker ket kga kgb kgo kkb kke kkk kkr kkt koa kob koe kog kok koo kor kot kra krg krk kro krr krt kta ktb kte ktg ktk kto ktr ktt oaa oab oae oag oak oao oar oat ob- oba obb obe obg obk obo obr obt oea oeb oee oeg oeo oer oet oga oge ogg ogo ogt oka okb oke okg okk oko okr oo- ooa oob oog ook ooo oor oot or- ora orb ore org ork oro orr ort ot- ota otb ote otg otk oto otr ott ra- raa rab rae rag rak rao rar rat rba rbb rbe rbg rbk rbo rbr rbt re- rea reb ree reg rek reo rer ret rga rgb rge rgg rgk rgo rgr rgt rkb rke rkg rkk rko rkt roa rob roe rog rok roo ror rot rra rrb rrg rrk rrr rrt rta rtb rte rtg rtk rto rtr rtt taa tab tae tag tak tao tar tat tba tbb tbe tbg tbk tbo tbr tbt te- tea teb tee teg tek teo ter tet tga tgb tge tgg tgk tgo tgr tgt tka tkb tke tkg tkk tko tkr tkt to- toa tob toe tog tok too tor tot tra trb tre trg trk tro trr trt tta ttb tte ttg ttk tto ttr ttt

a-ak a-be a-ok aaaa aaab aaae aaar aaba aabb aabt aaea aage aaka aake aaoe aaoo aara aare aaro aart aata aatk aatt abaa abab abae abag abak abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob abok aboo abor abot abra abro abta aeer aega aeka aer- aera aero aeta aeto aetr aett ag-o agag agao agar agat agba agbo agea agee ager aget agga agge agob agog agoo agot agra agre agro agta agte agtr akaa akae akao akar akee akeg aker akka akko akok akot akr- akra akre akte aoba aora aorb aort arab arae arag arak arar arat arba arbe area aree areg arek areo aret arga argb arge argo arka arke arko aroa arob aroe aroo aror arr- arra arre arrg arrk arro arrr arrt arta arte arto artr at-t ataa atab atae atak atar atat atea atee ateo ater atgo atka atkt atob atoe atok ator atot atra atre atrk atro atta atte atto attr baaa baak baar baat baba babb babe babo babr baek baer baga bage bagg bago bagt bak- baka bake bako bakr bakt bar- bara barb bare barg bark baro barr bart bata bate bato batt bbbb bbeb bbet bbga bbrg beag beak bear beat beba bebb bebe bebo beeb beeg beek beer beet bega begg bego beka beke beko beo- beok beor beot bera bere berg berk bero berr bert beta bete beto bett boab boag boak boar boat boba bobb bobe bobo boea boee boeo boer boet boga boge bogg bogo bogt boka boke boko boob booe boog book boor boot bor- bora bore borg bork boro borr bort bota botb bote boto bott brab brae brag brak brao brat brea breb bree breg brek breo brer bret brka brkb broa brob broe brog brok broo bror brot brrr btaa btek btob btor btrt bttb eaba eaga eage eara earb eare earo eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eega eeka eeke eera eerg eero eeta eete egaa egae egao egar egat egba egbe egea egee eger eggb egge eggo ego- egor egot egra egre egta egte egtk eka- ekab ekeb ekek eker eket ekka ekoa ekta eoka eora eore eota eoto erat erba erbb erbe ereb erer eret erg- erga ergg ergo erke erob eroe eroo erra erre erro erta etag etak etat etbr etee eter etka etoe etok etra etre etro etta ette etto gaar gaba gabb gabe gabo gabr gabt gaea gaer gaga gage gagg gago gara garb gare garg garo garr gart gata gate gato gatr gatt gbag gbbo geab gear geat geba gebe geek geer geet gege gegg gego geko geo- geog gera gerb gere gero gert geta getb gete getg getk geto gett ggbt gggg goar goat goba gobe gobo goer goga gogo goke goog gook goor goot gora gorb gore gorg goro gorr gort gota gote goto gott grab grae grat grbr grea greb gree greg gret grob grog