-er a-a a-b a-t aaa aab aae aar aas aat aau aav ab- aba abb abe abr abs abt abu abv aea aeb aee aer aes aet aeu aev ar- ara arb are arr ars art aru arv as- asa asb ase asr ass ast asu asv at- ata atb ate atr ats att atu atv au- aua aub aue aur aus aut auv av- ava avb ave avr avs avt avu b-u baa bab bae bar bas bat bau bav bba bbb bbe bbr bbs bbt bbu be- bea beb bee ber bes bet beu bev bra brb bre brr brs brt bru brv bsa bsb bse bsr bss bst bsu bsv bta btb bte btr bts btt btu btv bua bub bue bur bus but buu bva bvb bve bvr bvs bvt bvu bvv eaa eab eae ear eas eat eau eav eba ebb ebe ebr ebs ebt ebu ebv eea eeb eee eer ees eet eev era erb ere err ers ert eru erv es- esa esb ese esr ess est esu esv eta etb ete etr ets ett etu etv eu- eua eub eue eur eus eut euv eva evb eve evr evs evt evv ra- raa rab rae rar ras rat rau rav rba rbb rbe rbr rbs rbt rbu re- rea reb ree rer res ret reu rev rra rrb rrr rrs rrt rru rsa rsb rse rsr rss rst rsu rsv rta rtb rte rtr rts rtt rtu rtv rua rub rue rur rus rut ruu ruv rva rvb rve rvr rvs rvt rvu rvv saa sab sae sar sas sat sau sav sba sbb sbe sbr sbs sbt sbu sbv se- sea seb see ser ses set seu sev sr- sra srb sre srr srs srt srv ss- ssa ssb sse ssr sss sst ssu ssv sta stb ste str sts stt stu stv sua sub sue sur sus sut suu suv sva svb sve svr svs svt svu svv taa tab tae tar tas tat tau tav tba tbb tbe tbr tbs tbt tbu tbv te- tea teb tee ter tes tet teu tev tra trb tre trr trs trt tru trv tsa tsb tse tsr tss tst tsu tsv tta ttb tte ttr tts ttt ttu ttv tua tub tue tur tus tut tuu tuv tva tvb tve tvr tvs tvt tvu ua- uaa uab uae uar uas uat uau uav uba ubb ube ubr ubs ubt ubu ubv uea ueb uee uer ues uet ur- ura urb ure urr urs urt uru usa usb use usr uss ust usu usv uta utb ute utr uts utt utu utv uua uue uur uus uut uuu uva uvb uve uvs uvu uvv v-a v-e vaa vab vae var vas vat vau vav vba vbr vbs vbv vea veb vee ver ves vet veu vra vrb vre vrr vrs vrt vru vsa vsb vse vsr vss vst vsu vsv vta vtb vte vtr vts vtt vtu vtv vue vur vus vut vuv vva vvb vvr vvs vvt vvv

-ase a-be aaaa aaab aaae aaar aaas aaav aaba aabb aabt aaea aaes aaev aara aare aars aart aaru aasa aase aass aast aasu aata aatt aaus aava abaa abab abae abar abas abat abau abb- abba abbb abbe abbr abbs abbt abee aber abes abet abra abrs abs- absa abse abss absu abta abts abtu abua abue abus abut abva aeas aebs aeer aer- aera aers aess aest aeta aetr aett aeva arab arae arar aras arat arau arba arbe arbs area aree ares aret areu arev arr- arra arre arrr arrs arrt arru ars- arsa arse arst arsu arta arte artr arts artv arua arub arue arut arva arve asaa asab asae asar asas asat asau asba asbu asea asee aser ases aset asra asrs asru assa asse assr asss asst assu asta astb aste astr asts astv asub asue asur asus asva asvs at-t ataa atab atae atar atas atat atbs atea atee ater ates atra atre atru atsb atse atst atta atte attr atts attu atua atub atur atus atvs auaa aube auer aur- aura aure ausa ause aust ausu aut- aute auts auve auvs avab avar avas avat avea aver aves aveu avra avre avst avur avus avva baaa baar baas baat baba babb babe babr babs babu baer baes bar- bara barb bare barr bars bart baru basa base bass bast basu bata bate bats batt batu bau- baur bava bave bavu bbas bbau bbbb bbbs bbeb bbet bear beas beat beau beav beba bebb bebe beeb beer bees beet bera bere berr bers bert beru bes- besa bese bess best beta bete bets bett betu betv beur bevs brab brae bras brat brau brav brea breb bree brer bres bret brev brrr brrs brsb brsr brst brue brus brut bruv bsaa bsas bsat bsea bseb bsee bser bses bset bsra bsse bsts bstv btaa btrt btss bttb btus buar buat buba bubb bube bubs bubu buea buer bueu bur- bura burb bure burr burs burt buru busa buse buss bust busu but- buta bute buts butt buus buve eaba eara earb eare ears eart easa ease east eata eate eats eaus eave ebba ebbr ebbs eber ebes ebru ebsa ebur ebus eeea eeee eees eera eers eese eeta eete eets eetu eeva eras erat erau erba erbb erbe ereb erer eres eret erev erra erre errs ersa erse erst erta erts ertu erua erub erur erus eruv erve esab esar esas esat esau esba esbs esea esee eser eses eset esra essa esse esst essu esta este estr ests estv esus etas etat etbr etee eter etes etra etre etsu etta ette ettu etua euba euer eur- eura eure eurt eusa euse evae evar evas evat evea ever eves evet evra evre evrs evst raab raas raat raba rabb rabe rabs rabu raer raes rara rarb rare rars rasa rase rass rast rasu rata rate rats ratt ratu raua raub raue raus raut rava rave rbbb rbbr