-er a-a a-b a-i a-t aaa aab aae aai aap aar aat aax ab- aba abb abe abi abp abr abt abx aea aeb aee aei aep aer aet aex ai- aia aib aie aii aip air ait aix ap- apa apb ape api app apr apt apx ar- ara arb are ari arp arr art arx at- ata atb ate ati atp atr att atx ax- axa axe axi axp axr axt axx b-p baa bab bae bai bap bar bat bax bba bbb bbe bbi bbp bbr bbt bbx be- bea beb bee bei bep ber bet bex bi- bia bib bie bii bip bir bit bix bpa bpb bpe bpi bpp bpr bpt bpx bra brb bre bri brp brr brt brx bta btb bte bti btp btr btt btx bxb bxi bxx eaa eab eae eai eap ear eat eax eba ebb ebe ebi ebp ebr ebt ebx eea eeb eee eep eer eet eex eia eib eie eii eip eir eit eix ep- epa epb epe epi epp epr ept epx era erb ere eri erp err ert eta etb ete eti etp etr ett etx ex- exa exe exi exp exr ext exx ia- iaa iab iae iai iap iar iat iba ibb ibe ibi ibp ibr ibt ibx ie- iea iee iei iep ier iet iex iia iib iie iii iip iir iit iix ipa ipb ipe ipi ipp ipr ipt ipx ir- ira irb ire iri irp irr irt irx ita itb ite iti itp itt itx ixe ixi p-p paa pab pae pai pap par pat pax pba pbb pbe pbi pbp pbr pbt pbx pea peb pee pei pep per pet pex pia pib pie pii pip pir pit pix ppa ppb ppe ppi ppp ppr ppt ppx pra prb pre pri prp prr prt prx pt- pta ptb pte pti ptp ptr ptt ptx pxe pxr pxt ra- raa rab rae rai rap rar rat rax rba rbb rbe rbi rbp rbr rbt rbx re- rea reb ree rei rep rer ret rex ria rib rie rii rip rir rit rix rpa rpb rpe rpi rpp rpr rpt rpx rra rrb rri rrp rrr rrt rta rtb rte rti rtp rtr rtt rtx rxp rxr t-x taa tab tae tai tap tar tat tax tba tbb tbe tbi tbp tbr tbt te- tea teb tee tei tep ter tet tex tia tib tie tii tip tir tit tix tpa tpb tpe tpi tpp tpr tpt tpx tra trb tre tri trp trr trt trx tta ttb tte tti ttp ttr ttt ttx txe txi txt xaa xap xar xat xbe xbr xbx xee xep xer xet xex xia xie xii xit xix xpa xpb xpe xpp xpt xrt xrx xti xtp xtr xtx xxi xxp xxx

a-be a-ii aaaa aaab aaae aaai aaap aaar aaba aabb aabi aabp aabt aaea aaep aaib aaii aapa aapi aapt aara aare aari aarp aart aata aatt abaa abab abae abai abap abar abat abax abb- abba abbb abbe abbi abbr abbt abee aber abet abia abib abie abir abit abpa abpi abpp abpr abra abri abta aeap aebi aeer aeit aer- aera aeri aeta aetr aett aetx aiai aiba aiea aiee aiet aiia aiib aiir aipa aipe aipi aira aire airi airp airt airx aita aite aiti aitr aitt aixa aixi apai apap apar apat apax apba apbr apea apep aper apet apex api- apia apie apip apit apix appa appr appt appx apra apre apri aprt apta apte apti aptt aptx arab arae arai arap arar arat arax arba arbe arbi area aree arei arep aret arex aria arib arie arii arip arit arpa arpe arpi arr- arra arre arri arrr arrt arta arte arti artr artx at-t at-x ataa atab atae atai atap atar atat atax atea atee atei atep ater atex atia atie atip atit atpr atra atre atri atrp atrx atta atte atti attp attr axar axat axer axi- axia axie ba-i ba-x baaa baar baat baba babb babe babi babr baer baia baib baie bair bait baix bapa bape bapi bapp bapt bar- bara barb bare bari barr bart barx bata bate bati batt baxi baxt bbbb bbeb bbet bbpr beap bear beat beba bebb bebe bebi beeb beep beer beet beia beir beit bera bere beri berr bert beta bete beti bett biap biar biat biba bibb bibe bibi bieb bier biet bipa bipp bira birb bire biri birr birt birx bita bite bitt bitx bixa bixi bpai bpea bpti brab brae brai brat brax brea breb bree brei brep brer bret brex bria brie brit brix brrr btaa btbp btex btie btrt bttb eaba eapp eara earb eare earp eart eata eate eati ebba ebbr eber ebit ebix eeea eeee eera eeta eete eext eiei eier eipr eira eire eita eitb eiti eitr epaa epee eper epi- epia epie epip epit epix eppa eppp epra eprb eprp epta epte epxp er-x erap erat erba erbb erbe ereb erei erer eret eria erie erit erpa erpe erra erre erta etai etap etat etbr etee eter etix etra etre etta ette etti exa- exai exer exit expr expt exrx exta exte extr i-be iaaa iaai iaap iaat iaba iaea iaep iaia iapa iapp iapt iapx iara iare iart iata iate iati ibar ibat ibea ibet ibex ibia ibie ibra ibri ibtb ieat ieet ieie iepa iera iere ieri ieta iett iiie iiii iiit iipa iira iita iitr iitt ipat ipba ipea iper ipet ipex ipie ipix ippa ippr ipri ipta ipxe irae irai irap irar irbe irbp iree irer irex iri- iria irie irip irix irpa irpe irra irre irri irta irte irti irtp itaa itai itap itar itat itbe itea itep iter itet itex itia itie itpa itra itri itta ixia ixxi paap paar paat paba pabt pabx paea paep paer paia paib paie paip pair pait paix papa papb pape papi papp papr par- para pare pari parp parr part pata pate pati patr patt