-er a-a a-b a-i a-t aaa aab aae aai aar aat aav aax ab- aba abb abe abi abr abt abv abx aea aeb aee aei aer aet aev aex ai- aia aib aie aii air ait aiv aix ar- ara arb are ari arr art arv arx at- ata atb ate ati atr att atv atx av- ava avb ave avi avr avt avx ax- axa axe axi axr axt axv axx baa bab bae bai bar bat bav bax bba bbb bbe bbi bbr bbt bbx be- bea beb bee bei ber bet bev bex bi- bia bib bie bii bir bit biv bix bra brb bre bri brr brt brv brx bta btb bte bti btr btt btv btx bva bvb bve bvi bvr bvt bvv bxb bxi bxx eaa eab eae eai ear eat eav eax eba ebb ebe ebi ebr ebt ebv ebx eea eeb eee eer eet eev eex eia eib eie eii eir eit eiv eix era erb ere eri err ert erv eta etb ete eti etr ett etv etx eva evb eve evi evr evt evv ex- exa exe exi exr ext exx i-v ia- iaa iab iae iai iar iat iav iba ibb ibe ibi ibr ibt ibv ibx ie- iea iee iei ier iet iev iex iia iib iie iii iir iit iix ir- ira irb ire iri irr irt irv irx ita itb ite iti itt itv itx iva ivb ive ivi ivr ivt ivv ivx ixe ixi ra- raa rab rae rai rar rat rav rax rba rbb rbe rbi rbr rbt rbx re- rea reb ree rei rer ret rev rex ria rib rie rii rir rit riv rix rra rrb rri rrr rrt rta rtb rte rti rtr rtt rtv rtx rva rvb rve rvi rvr rvt rvv rxr t-x taa tab tae tai tar tat tav tax tba tbb tbe tbi tbr tbt tbv te- tea teb tee tei ter tet tev tex tia tib tie tii tir tit tiv tix tra trb tre tri trr trt trv trx tta ttb tte tti ttr ttt ttv ttx tva tvb tve tvi tvr tvt tvx txe txi txt v-a v-e vaa vab vae vai var vat vav vax vba vbi vbr vbv vea veb vee vei ver vet vex vi- via vib vie vii vir vit viv vix vra vrb vre vri vrr vrt vta vtb vte vti vtr vtt vtv vtx vva vvb vvi vvr vvt vvv vxa vxr vxv xaa xar xat xav xbe xbr xbx xee xer xet xev xex xia xie xii xit xiv xix xrt xrx xti xtr xtv xtx xvi xvt xxi xxv xxx

a-be a-ii a-iv aaaa aaab aaae aaai aaar aaav aaba aabb aabi aabt aaea aaev aaib aaii aara aare aari aart aata aatt aava abaa abab abae abai abar abat abax abb- abba abbb abbe abbi abbr abbt abee aber abet abia abib abie abir abit abra abri abta abva aebi aeer aeit aer- aera aeri aeta aetr aett aetx aeva aiai aiba aiea aiee aiet aiia aiib aiir aira aire airi airt airx aita aite aiti aitr aitt aiva aixa aixi arab arae arai arar arat arax arba arbe arbi area aree arei aret arev arex aria arib arie arii arit arr- arra arre arri arrr arrt arta arte arti artr artv artx arva arve arvi at-t at-x ataa atab atae atai atar atat atax atea atee atei ater atex atia atie atit atra atre atri atrx atta atte atti attr atvi avab avar avat avax avea aver avex avia avie avit aviv avra avre avri avva 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 bar- bara barb bare bari barr bart barx bata bate bati batt bava bave bavi baxi baxt bbbb bbeb bbet bear beat beav beba bebb bebe bebi beeb beer beet beia beir beit bera bere beri berr bert beta bete beti bett betv biar biat biba bibb bibe bibi bieb bier biet bira birb bire biri birr birt birx bita bite bitt bitx bive bivi bixa bixi brab brae brai brat brav brax brea breb bree brei brer bret brev brex bria brie brit brix brrr brvi btaa btex btie btrt bttb btvi eaba eara earb eare eart eata eate eati eave ebba ebbr eber ebit ebix eeea eeee eera eeta eete eeva eext eiei eier eira eire eita eitb eiti eitr er-x erat erba erbb erbe ereb erei erer eret erev eria erie erit erra erre erta erve ervi etai etat etbr etee eter etix etra etre etta ette etti evae evar evat evea ever evet evex evia evie evir evra evre exa- exai exer exit exrx exta exte extr i-be iaaa iaai iaat iaba iaea iaia iara iare iart iata iate iati iava ibar ibat ibea ibet ibex ibia ibie ibra ibri ibtb ieat ieet ieie iera iere ieri ieta iett ietv ieva iiie iiii iiit iira iita iitr iitt irae irai irar irbe iree irer irex iri- iria irie irix irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itex itia itie itra itri itta ivai ivar ivbv ivea iver ivie ivre ixia ixxi raab raat raba rabb rabe rabi raer raia raie raii rair rait raix rara rarb rare rari rata rate rati ratt rava rave ravi raxa raxi rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet reev reia reii reir reit rera rere reri rert reta rete reti retr rett reva reve revi rexx riaa riab riai riat rib- riba ribe rier riet riex riia rire riri rita rite riti ritt riva rive rixe rrat rrrr rtai rtee rtei rtex rtva rtve rtvi rver rxvt taa- taar taat taba tabb tabe tabi taer taia tair tait taix tara tarb tare tari tarr tart tata tatb tate tati tatr tatt tatv tava tave tavi tax- taxa taxe taxi taxt tbar tbit tbrb