-er a-a a-b aaa aab aad aae aak aar aas ab- aba abb abd abe abk abr abs ad- ada adb add ade adk adr ads aea aeb aed aee aek aer aes aka akb akd ake akk akr aks ar- ara arb ard are ark arr ars as- asa asb asd ase ask asr ass baa bab bad bae bak bar bas bba bbb bbd bbe bbk bbr bbs bda bdb bdd bde bdk bdr bds be- bea beb bed bee bek ber bes bka bkb bke bkk bkr bks bra brb brd bre brk brr brs bsa bsb bsd bse bsk bsr bss daa dab dad dae dak dar das dba dbb dbd dbe dbk dbr dbs dda ddb ddd dde ddk ddr dds de- dea deb ded dee dek der des dka dkb dke dkk dkr dks dra drb drd dre drk drr drs dsa dsb dsd dse dsk dsr dss eaa eab ead eae eak ear eas eba ebb ebd ebe ebk ebr ebs ed- eda edb edd ede edk edr eds eea eeb eed eee eek eer ees eka ekb ekd eke ekr eks era erb erd ere erk err ers es- esa esb esd ese esk esr ess ka- kaa kab kad kae kak kar kas kba kbb kbd kbe kbk kbr kbs kda kdb kde kdk kdr kds ke- kea keb ked kee kek ker kes kkb kke kkk kkr kks kra krd krk krr krs ksa ksb ksd kse ksk ksr kss ra- raa rab rad rae rak rar ras rba rbb rbd rbe rbk rbr rbs rda rdb rdd rde rdr rds re- rea reb red ree rek rer res rkb rke rkk rks rra rrb rrd rrk rrr rrs rsa rsb rsd rse rsk rsr rss saa sab sad sae sak sar sas sba sbb sbd sbe sbk sbr sbs sda sdb sdd sde sdk sdr sds se- sea seb sed see sek ser ses sk- ska skb skd ske skk skr sks sr- sra srb srd sre srk srr srs ss- ssa ssb ssd sse ssk ssr sss

-ase a-ak a-be aaaa aaab aaad aaae aaar aaas aaba aabb aabd aada aade aads aaea aaes aaka aake aara aard aare aars aasa aasd aase aass abaa abab abad abae abak abar abas abb- abba abbb abbe abbr abbs abda abed abee aber abes abra abrs abs- absa absd abse abss adaa adab adad adae adak adar adas adba adda addd adde addr adds adea adeb adee ader ades adra adre adrs adsa adsr adss aeas aebs aede aeer aeka aer- aera aerd aers aesd aess akaa akae akar akas aked akee aker akes akka akr- akra akre aksa arab arad arae arak arar aras arba arbe arbs arda arde ards area ared aree arek ares arka arke arks arr- arra arre arrk arrr arrs ars- arsa arsd arse arsk asaa asab asad asae asak asar asas asba asda asde asds asea asee asek aser ases aska aske askr asks asra asrs assa assd asse assk assr asss baaa baad baak baar baas baba babb babe babr babs bada badb badd bade badr bads baed baek baer baes bak- baka bake bakr baks bar- bara barb bard bare bark barr bars basa base bask bass bbad bbas bbbb bbbs bbdd bbeb bd-r bdes bdsd bead beak bear beas beba bebb bebe beda bede beds beeb beed beek beer bees beka beke beks bera berd bere berk berr bers bes- besa bese besk bess brab brad brae brak bras brda brds brea breb bred bree brek brer bres brka brkb brrr brrs brsb brsr bsaa bsas bsbd bsea bseb bsed bsee bser bses bsra bsrd bssd bsse daab daad daae daar daas daba dabb dabs dada dade dads daeb daer daka dake daks dara darb dard dare dark darr dars dasa dasb dasd dase dask dass dbar dbas dbrs dbsa dbss dddd ddes ddre ddss dead deae deak dear deas deba debe debs deda dedd dede deeb deed deek deer dees dek- deka deke deks der- dera derb dere derk derr ders des- desa dese desk dess dkba draa drab drad drak drar dras drba drda drea dred dree drek dres drra drrs drsa dsba dsda dsdr dsea dsrr dssa eaba eada eadb eadd eads eara earb eard eare ears easa ease ebba ebbr ebbs ebed eber ebes ebsa edad edar edas edda edde edds ede- edea eder edes edra edsa edss eede eeea eeee eees eeka eeke eeks eera eers eese eesk eka- ekab ekeb eked ekek eker ekes ekka erad eras erba erbb erbe erda erde erds ereb ered erer eres erke erks erra erre errs ersa erse esab esad esar esas esba esbs esda esds esea esee esek eser eses eska eske esks esra esrd essa esse kaaa kaab kaak kaar kaas kaba kabb kabd kabe kabr kad- kada kadd kade kadr kads kaer kaes kaka kake kakk kaks kara karb kard kare kark karr kars kas- kasa kasb kase kask kasr kass kbaa kbab kbad kbae kbak kbar kbas kbba kbbb kbbd kbbe kbbk kbbr kbbs kbdb kbde kbdr kbds kbeb kbed kbee kbek kber kbes kbkb kbkk kbkr kbra kbrb kbrd kbre kbrk kbsa kbsb kbsk kbsr kbss kdaa kdab kdad kdae kdak kdar kdbb kdbr kdbs kddb kddd kddk kddr kdeb kdka kdkb kdkd kdkk kdkr kdrb kdrs kdsd kdsk kdsr kdss kea- kead keak kear keas keba kebb kebe kebr keda kedb kedd kede kedr keds keed keek keer kees keka kekb keke keks ker- kera kerb kere kerk kerr kers kesa kesb kesd kesk kesr kess kkaa kkar kkba kkbb kkbd kkbe kkbr kkbs kkda kkdd kkea kked kkkk kkrb kkre kkrk kkrr kkrs kksa kksd kkse kksr kkss krab krad krae krak krar kras krba krbb krbd krbe krbk krbr krda krdd krde krdr krds krea kreb kred kree krek kres krka krkd krke krkk krkr krks krrb krre krrk krrr krrs krsa krsd krse krsk krsr krss ksab ksak ksar ksas