-er a-a a-b a-t aaa aab aae aaf aao aar aas aat ab- aba abb abe abf abo abr abs abt aea aeb aee aef aeo aer aes aet af- afa afb afe aff afo afr afs aft aoa aob aoe aof aoo aor aos aot ar- ara arb are arf aro arr ars art as- asa asb ase asf aso asr ass ast at- ata atb ate atf ato atr ats att baa bab bae baf bao bar bas bat bba bbb bbe bbf bbo bbr bbs bbt be- bea beb bee bef beo ber bes bet bfa bfb bfe bff bfo bfr bfs bft boa bob boe bof boo bor bos bot bra brb bre brf bro brr brs brt bsa bsb bse bsf bso bsr bss bst bta btb bte btf bto btr bts btt eaa eab eae eaf eao ear eas eat eba ebb ebe ebf ebo ebr ebs ebt eea eeb eee eef eeo eer ees eet ef- efa efb efe eff efo efr efs eft eo- eoa eob eoe eof eoo eor eos eot era erb ere erf ero err ers ert es- esa esb ese esf eso esr ess est eta etb ete etf eto etr ets ett faa fab fae faf fao far fas fat fba fbb fbe fbf fbo fbr fbs fbt fea feb fee fef feo fer fes fet ffa ffe fff ffo ffr ffs fft foa fob foe fof foo for fos fot fra frb fre frf fro frr frs frt fsa fsb fse fsf fso fsr fss fst fta ftb fte ftf fto ftr fts ftt oaa oab oae oaf oao oar oas oat ob- oba obb obe obf obo obr obs obt oea oeb oee oef oeo oer oes oet of- ofa ofb ofe off ofo ofr ofs oft oo- ooa oob oof ooo oor oos oot or- ora orb ore orf oro orr ors ort os- osa osb ose osf oso osr oss ost ot- ota otb ote otf oto otr ots ott ra- raa rab rae raf rao rar ras rat rba rbb rbe rbf rbo rbr rbs rbt re- rea reb ree ref reo rer res ret rfa rfb rfe rff rfo rfr rfs rft roa rob roe rof roo ror ros rot rra rrb rrf rrr rrs rrt rsa rsb rse rsf rso rsr rss rst rta rtb rte rtf rto rtr rts rtt saa sab sae saf sao sar sas sat sba sbb sbe sbf sbo sbr sbs sbt se- sea seb see sef seo ser ses set sfa sfb sfe sff sfo sfr sfs sft soa sob soe sof soo sor sos sot sr- sra srb sre srf sro srr srs srt ss- ssa ssb sse ssf sso ssr sss sst sta stb ste stf sto str sts stt taa tab tae taf tao tar tas tat tba tbb tbe tbf tbo tbr tbs tbt te- tea teb tee tef teo ter tes tet tfa tfb tfe tff tfo tfr tfs tft to- toa tob toe tof too tor tos tot tra trb tre trf tro trr trs trt tsa tsb tse tsf tso tsr tss tst tta ttb tte ttf tto ttr tts ttt

-ase -ose a-be aaaa aaab aaae aaaf aaar aaas aaba aabb aabt aaea aaes aafa aafb aaff aaoe aaoo aara aare aaro aars aart aasa aase aasf aass aast aata aatf aatt abaa abab abae abaf abar abas abat abb- abba abbb abbe abbo abbr abbs abbt abee aber abes abet abff aboa abob abof aboo abor abos abot abra abro abrs abs- absa abse absf abss abta abts aeaf aeas aebs aeer aer- aera aero aers aess aest aeta aetf aeto aetr aett afaa afao afar afat afbs afee afer afes afet affa affo affs afft afoa afoe afoo afor afr- afra afre afro afrs afsa afsb afst afta afte afts aoba aora aorb aors aort aoss aotf arab arae araf arar aras arat arba arbe arbs area aree aref areo ares aret arfa arfb arff arfs arft aroa arob aroe aroo aror aros arr- arra arre arro arrr arrs arrt ars- arsa arse arso arst arta arte arto artr arts asaa asab asae asaf asao asar asas asat asba asbo asea asee aser ases aset asfa asob asof asor asos asot asra asro asrs assa asse asso assr asss asst asta astb aste asto astr asts at-t ataa atab atae atar atas atat atbs atea atee atef ateo ater ates atfb atfe atfs atob atoe atof ator atos atot atra atre atro atsb atse atst atta atte atto attr atts baaa baaf baar baas baat baba babb babe babo babr babs baer baes baff bafo baft baos bar- bara barb bare barf baro barr bars bart basa base basf baso bass bast bata bate batf bato bats batt bbas bbbb bbbs bbeb bbet beaf bear beas beat beba bebb bebe bebo beeb beef beer bees beet befa befe beff befo beft beo- beof beor beos beot bera bere bero berr bers bert bes- besa bese beso bess best beta bete beto bets bett bfas bffs bfsr bfta bfts bftt boab boar boas boat boba bobb bobe bobo bobs boea boee boef boeo boer boes boet bofa bofe boff bofs boob booe boof boor boos boot bor- bora bore borf boro borr bors bort bosa bose boso boss bost bota botb bote boto bots bott brab brae braf brao bras brat brea breb bree bref breo brer bres bret broa brob broe broo bror bros brot brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsfa bsff bsfs bsos bsra bsse bsts btaa btaf btob btor btrt btss bttb eaaf eaba eafb eara earb eare earo ears eart easa ease easo east eata eate eats ebba ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro ebsa eeea eeee eees eefa eefe eera eero eers eese eeta eete eets efab efas efbr efeo efes efet effa effs efor efsa eft-