-er a-a a-b aaa aab aad aae aak aap aar aas ab- aba abb abd abe abk abp abr abs ad- ada adb add ade adk adp adr ads aea aeb aed aee aek aep aer aes aka akb akd ake akk akp akr aks ap- apa apb apd ape apk app apr aps ar- ara arb ard are ark arp arr ars as- asa asb asd ase ask asp asr ass b-p baa bab bad bae bak bap bar bas bba bbb bbd bbe bbk bbp bbr bbs bda bdb bdd bde bdk bdp bdr bds be- bea beb bed bee bek bep ber bes bka bkb bke bkk bkp bkr bks bpa bpb bpd bpe bpp bpr bps bra brb brd bre brk brp brr brs bsa bsb bsd bse bsk bsp bsr bss daa dab dad dae dak dap dar das dba dbb dbd dbe dbk dbp dbr dbs dda ddb ddd dde ddk ddp ddr dds de- dea deb ded dee dek dep der des dka dkb dke dkk dkp dkr dks dpa dpb dpd dpe dpk dpp dpr dps dra drb drd dre drk drp drr drs dsa dsb dsd dse dsk dsp dsr dss eaa eab ead eae eak eap ear eas eba ebb ebd ebe ebk ebp ebr ebs ed- eda edb edd ede edk edp edr eds eea eeb eed eee eek eep eer ees eka ekb ekd eke ekp ekr eks ep- epa epb epd epe epp epr eps era erb erd ere erk erp err ers es- esa esb esd ese esk esp esr ess ka- kaa kab kad kae kak kap kar kas kba kbb kbd kbe kbk kbp kbr kbs kda kdb kde kdk kdp kdr kds ke- kea keb ked kee kek kep ker kes kkb kke kkk kkp kkr kks kpa kpd kpe kpk kpp kpr kps kra krd krk krp krr krs ksa ksb ksd kse ksk ksp ksr kss p-p paa pab pad pae pak pap par pas pba pbb pbd pbe pbk pbp pbr pbs pda pdb pdd pde pdk pdp pdr pds pea peb ped pee pek pep per pes pka pkb pkd pke pkp pkr pks ppa ppb ppd ppe ppk ppp ppr pps pra prb prd pre prk prp prr prs ps- psa psb psd pse psk psp psr pss ra- raa rab rad rae rak rap rar ras rba rbb rbd rbe rbk rbp rbr rbs rda rdb rdd rde rdp rdr rds re- rea reb red ree rek rep rer res rkb rke rkk rkp rks rpa rpb rpd rpe rpk rpp rpr rps rra rrb rrd rrk rrp rrr rrs rsa rsb rsd rse rsk rsp rsr rss saa sab sad sae sak sap sar sas sba sbb sbd sbe sbk sbp sbr sbs sda sdb sdd sde sdk sdp sdr sds se- sea seb sed see sek sep ser ses sk- ska skb skd ske skk skp skr sks spa spb spd spe spk spp spr sps sr- sra srb srd sre srk srp srr srs ss- ssa ssb ssd sse ssk ssp ssr sss

-ase a-ak a-be aaaa aaab aaad aaae aaap aaar aaas aaba aabb aabd aabp aada aade aads aaea aaep aaes aaka aake aapa aaps aara aard aare aarp aars aasa aasd aase aass abaa abab abad abae abak abap abar abas abb- abba abbb abbe abbr abbs abda abed abee aber abes abpa abpd abpp abpr abps abra abrs abs- absa absd abse absp abss adaa adab adad adae adak adap adar adas adba adda addd adde addr adds adea adeb adee ader ades adp- adps adra adre adrs adsa adsr adss aeap aeas aebs aede aeer aeka aer- aera aerd aers aesd aess akaa akae akap akar akas aked akee aker akes akka akr- akra akre aksa apak apap apar apas apba apbr apbs apda apdd apds apea aped apep aper apes apke appa appd appr apps apra apre aprs apsa apse apss arab arad arae arak arap arar aras arba arbe arbs arda arde ards area ared aree arek arep ares arka arke arks arpa arpe arps arr- arra arre arrk arrr arrs ars- arsa arsd arse arsk asaa asab asad asae asak asap asar asas asba asda asde asds asea asee asek asep aser ases aska aske askr asks aspa aspd aspe aspr asps asra asrs assa assd asse assk assp 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 bapa bape bapp baps bar- bara barb bard bare bark barr bars basa base bask bass bbad bbas bbbb bbbs bbdd bbeb bbpr bd-r bdes bdsd bead beak beap bear beas beba bebb bebe beda bede beds beeb beed beek beep beer bees beka beke beks bera berd bere berk berr bers bes- besa bese besk bess bkpr bksp bpda bpea bprd bpsa brab brad brae brak bras brda brds brea breb bred bree brek brep brer bres brka brkb brrr brrs brsb brsr bsaa bsap bsas bsbd bsea bseb bsed bsee bser bses bspp bspr bsra bsrd bssd bsse daab daad daae daap daar daas daba dabb dabp dabs dada dade dads daeb daer daka dake daks dapa dape dapp daps dara darb dard dare dark darp darr dars dasa dasb dasd dase dask dass dbar dbas dbpd dbrs dbsa dbss dddd ddes ddps ddre ddss dead deae deak deap dear deas deba debe debs deda dedd dede deeb deed deek deep deer dees dek- deka deke deks depa depe depp depr deps der- dera derb dere derk derp derr ders des- desa dese desk desp dess dkba dpaa dper dppa dprk dpsd draa drab drad drak drap drar dras drba drda drea dred dree drek dres drra drrs drsa drsp dsap dsba dsda dsdp dsdr dsea dsps dsrp dsrr dssa dssp eaba eada eadb eadd eadp eads eapp eaps eara earb eard eare earp ears easa ease ebba