-er a-a a-i a-t aaa aae aai aap aar aat aax aea aee aei aep aer aet aex ai- aia aie aii aip air ait aix ap- apa ape api app apr apt apx ar- ara are ari arp arr art arx at- ata ate ati atp atr att atx ax- axa axe axi axp axr axt axx eaa eae eai eap ear eat eax eea eee eep eer eet eex eia eie eii eip eir eit eix ep- epa epe epi epp epr ept epx era ere eri erp err ert eta ete eti etp etr ett etx ex- exa exe exi exp exr ext exx ia- iaa iae iai iap iar iat ie- iea iee iei iep ier iet iex iia iie iii iip iir iit iix ipa ipe ipi ipp ipr ipt ipx ir- ira ire iri irp irr irt irx ita ite iti itp itt itx ixe ixi p-p paa pae pai pap par pat pax pea pee pei pep per pet pex pia pie pii pip pir pit pix ppa ppe ppi ppp ppr ppt ppx pra pre pri prp prr prt prx pt- pta pte pti ptp ptr ptt ptx pxe pxr pxt ra- raa rae rai rap rar rat rax re- rea ree rei rep rer ret rex ria rie rii rip rir rit rix rpa rpe rpi rpp rpr rpt rpx rra rri rrp rrr rrt rta rte rti rtp rtr rtt rtx rxp rxr t-x taa tae tai tap tar tat tax te- tea tee tei tep ter tet tex tia tie tii tip tir tit tix tpa tpe tpi tpp tpr tpt tpx tra tre tri trp trr trt trx tta tte tti ttp ttr ttt ttx txe txi txt xaa xap xar xat xee xep xer xet xex xia xie xii xit xix xpa xpe xpp xpt xrt xrx xti xtp xtr xtx xxi xxp xxx

a-ii aaaa aaae aaai aaap aaar aaea aaep aaii aapa aapi aapt aara aare aari aarp aart aata aatt aeap aeer aeit aer- aera aeri aeta aetr aett aetx aiai aiea aiee aiet aiia aiir aipa aipe aipi aira aire airi airp airt airx aita aite aiti aitr aitt aixa aixi apai apap apar apat apax apea apep aper apet apex api- apia apie apip apit apix appa appr appt appx apra apre apri aprt apta apte apti aptt aptx arae arai arap arar arat arax area aree arei arep aret arex aria arie arii arip arit arpa arpe arpi arr- arra arre arri arrr arrt arta arte arti artr artx at-t at-x ataa 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 eapp eara eare earp eart eata eate eati eeea eeee eera eeta eete eext eiei eier eipr eira eire eita eiti eitr epaa epee eper epi- epia epie epip epit epix eppa eppp epra eprp epta epte epxp er-x erap erat erei erer eret eria erie erit erpa erpe erra erre erta etai etap etat etee eter etix etra etre etta ette etti exa- exai exer exit expr expt exrx exta exte extr iaaa iaai iaap iaat iaea iaep iaia iapa iapp iapt iapx iara iare iart iata iate iati ieat ieet ieie iepa iera iere ieri ieta iett iiie iiii iiit iipa iira iita iitr iitt ipat ipea iper ipet ipex ipie ipix ippa ippr ipri ipta ipxe irae irai irap irar iree irer irex iri- iria irie irip irix irpa irpe irra irre irri irta irte irti irtp itaa itai itap itar itat itea itep iter itet itex itia itie itpa itra itri itta ixia ixxi paap paar paat paea paep paer paia paie paip pair pait paix papa pape papi papp papr par- para pare pari parp parr part pata pate pati patr patt paxi peai peap pear peat peax peep peer peet peia peip peir peit pepa pepe pepi per- pera pere peri perp perr pert peta pete peti petr pett piai piat piea piep pier piet piia piip pipa pipe pipi pipp pira pire piri pirr pita pite piti pitr pitt pitx pixx ppap ppar pper ppie pppa pppp ppta pptt prae prai prar prat pre- pree prep pret prex pri- pria prie prii prix prri prti prtp prtr pter raat raep raer raia raie raii raip rair rait raix rapa rape rapi rapp rapt rara rare rari rata rate rati ratp ratt raxa raxi rea- reae reap rear reat reep reet reia reii reir reit repe repi repp repr rept rera rere reri rert reta rete reti retr rett rexx riaa riai riat riep rier riet riex riia ripa ripe ripi ripp ripr ript rire riri rita rite riti ritt rixe rpet rpii rpix rpta rrat rrrr rtai rtee rtei rtex rtpa rttp taa- taar taat taer taia taip tair tait taix tapa tape tapi tapp tapr tapt tara tare tari tarp tarr tart tata tate tati tatr tatt tax- taxa taxe taxi taxt tear teat teer teet teia teie teip teir tepa tepe tepi tepp ter- tera tere teri terp terr teta tete teti tetr tett tetx texa text tiaa tiar tiax tie- tiea tiee tiei tiep tier tiet tiit tip- tipa tipe tipi tipp tipt tira tire tiri tirr tita tite titi titp titt tixt tpap tper tpia tpir tppa tppp tppr tpte tptp tptr traa trae trai trap trat trax tre- trea tree trei tret trex tri- tria trie trip trit trix trpa trpe trpp trra trte trtr tter tttt txaa txii txtr xaar xait xapi xara xare xate xeer xer- xera xert xexe xiap xiii xipe xita xixi xpax xper xpra xrep xtar xtea xtep xtie xtra xxii xxix xxxi xxxx

-aaa- -tree a-a-p a-iii aaaai aaaee aaaip aaata aaeri aapep aaria aarti aatxe aeaea aeri- aeria aerie aetat aeter aetia aexpa aiaia aieta airai airer aitit apair apapa apar- apara apare apart apata apate apati