-er a-a a-b a-i a-t aaa aab aae aai aap aar aas aat ab- aba abb abe abi abp abr abs abt aea aeb aee aei aep aer aes aet ai- aia aib aie aii aip air ais ait ap- apa apb ape api app apr aps apt ar- ara arb are ari arp arr ars art as- asa asb ase asi asp asr ass ast at- ata atb ate ati atp atr ats att b-p baa bab bae bai bap bar bas bat bba bbb bbe bbi bbp bbr bbs bbt be- bea beb bee bei bep ber bes bet bi- bia bib bie bii bip bir bis bit bpa bpb bpe bpi bpp bpr bps bpt bra brb bre bri brp brr brs brt bsa bsb bse bsi bsp bsr bss bst bta btb bte bti btp btr bts btt eaa eab eae eai eap ear eas eat eba ebb ebe ebi ebp ebr ebs ebt eea eeb eee eep eer ees eet eia eib eie eii eip eir eis eit ep- epa epb epe epi epp epr eps ept era erb ere eri erp err ers ert es- esa esb ese esi esp esr ess est eta etb ete eti etp etr ets ett ia- iaa iab iae iai iap iar ias iat iba ibb ibe ibi ibp ibr ibs ibt ie- iea iee iei iep ier ies iet iia iib iie iii iip iir iis iit ipa ipb ipe ipi ipp ipr ips ipt ir- ira irb ire iri irp irr irs irt is- isa isb ise isi isp isr iss ist ita itb ite iti itp its itt p-p paa pab pae pai pap par pas pat pba pbb pbe pbi pbp pbr pbs pbt pea peb pee pei pep per pes pet pia pib pie pii pip pir pis pit ppa ppb ppe ppi ppp ppr pps ppt pra prb pre pri prp prr prs prt ps- psa psb pse psi psp psr pss pst pt- pta ptb pte pti ptp ptr pts ptt ra- raa rab rae rai rap rar ras rat rba rbb rbe rbi rbp rbr rbs rbt re- rea reb ree rei rep rer res ret ria rib rie rii rip rir ris rit rpa rpb rpe rpi rpp rpr rps rpt rra rrb rri rrp rrr rrs rrt rsa rsb rse rsi rsp rsr rss rst rta rtb rte rti rtp rtr rts rtt saa sab sae sai sap sar sas sat sba sbb sbe sbi sbp sbr sbs sbt se- sea seb see sei sep ser ses set sia sib sie sii sip sir sis sit spa spb spe spi spp spr sps spt sr- sra srb sre sri srp srr srs srt ss- ssa ssb sse ssi ssp ssr sss sst sta stb ste sti stp str sts stt taa tab tae tai tap tar tas tat tba tbb tbe tbi tbp tbr tbs tbt te- tea teb tee tei tep ter tes tet tia tib tie tii tip tir tis tit tpa tpb tpe tpi tpp tpr tps tpt tra trb tre tri trp trr trs trt tsa tsb tse tsi tsp tsr tss tst tta ttb tte tti ttp ttr tts ttt

-ase a-be a-ii aaaa aaab aaae aaai aaap aaar aaas aaba aabb aabi aabp aabt aaea aaep aaes aaib aaii aais aapa aapi aaps aapt aara aare aari aarp aars aart aasa aase aasi aass aast aata aatt abaa abab abae abai abap abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abee aber abes abet abia abib abie abir abis abit abpa abpi abpp abpr abps abra abri abrs abs- absa abse absi absp abss abta abts aeap aeas aebi aebs aeer aeit aer- aera aeri aers aess aest aeta aetr aett aiai aias aiba aiea aiee aiet aiia aiib aiir aipa aipe aipi aips aira aire airi airp airs airt aisa aisb aise aisi aisr aist aita aite aiti aitr aits aitt apai apap apar apas apat apba apbr apbs apea apep aper apes apet api- apia apie apip apis apit appa appr apps appt apra apre apri aprs aprt apsa apse apsi apss apta apte apti apts aptt arab arae arai arap arar aras arat arba arbe arbi arbs area aree arei arep ares aret aria arib arie arii arip aris arit arpa arpe arpi arps arr- arra arre arri arrr arrs arrt ars- arsa arse arsi arst arta arte arti artr arts asaa asab asae asai asap asar asas asat asba asea asee asep aser ases aset asia asie asii asip asir asis asit aspa aspe aspi aspr asps aspt asra asrs assa asse assi assp assr asss asst asta astb aste asti astp astr asts at-t ataa atab atae atai atap atar atas atat atbs atea atee atei atep ater ates atia atie atip atis atit atpr atra atre atri atrp atsb atse atsi atst atta atte atti attp attr atts ba-i baaa baar baas baat baba babb babe babi babr babs baer baes baia baib baie bair bais bait bapa bape bapi bapp baps bapt bar- bara barb bare bari barr bars bart basa base basi bass bast bata bate bati bats batt bbas bbbb bbbs bbeb bbet bbpr beap bear beas beat beba bebb bebe bebi beeb beep beer bees beet beia beir beis beit bera bere beri berr bers bert bes- besa bese bess best beta bete beti bets bett biap biar bias biat biba bibb bibe bibi bibs bieb bier bies biet biis bipa bipp bips bira birb bire biri birr birs birt bis- bisa bise bisp biss bist bita bite bits bitt bpai bpea bpsa bpti brab brae brai bras brat brea breb bree brei brep brer bres bret bria brie bris brit brrr brrs brsb brsr brst bsaa bsap bsas bsat bsea bseb bsee bser bses bset bspp bspr bsra bsse bsts btaa btbp btie btps btrt btss bttb eaba eapp eaps eara earb eare earp ears eart easa ease