-er -ic a-a a-b a-c a-i aaa aab aac aae aai aar aax ab- aba abb abc abe abi abr abx ac- aca acb acc ace aci acr acx aea aeb aec aee aei aer aex ai- aia aib aic aie aii air aix ar- ara arb arc are ari arr arx ax- axa axe axi axr axx baa bab bac bae bai bar bax bba bbb bbc bbe bbi bbr bbx bca bcb bcc bce bci bcr bcx be- bea beb bec bee bei ber bex bi- bia bib bic bie bii bir bix bra brb bre bri brr brx bxb bxi bxx c-- caa cab cac cae cai car cax cba cbb cbc cbe cbi cbr cbx cca ccb ccc cce cci ccr ccx ce- cea ceb cec cee cei cer cex ci- cia cib cic cie cii cir cix cra crb crc cre cri crr crx cxc cxi cxr cxx eaa eab eac eae eai ear eax eba ebb ebc ebe ebi ebr ebx ec- eca ecb ecc ece eci ecr ecx eea eeb eec eee eer eex eia eib eic eie eii eir eix era erb erc ere eri err ex- exa exc exe exi exr exx ia- iaa iab iac iae iai iar iba ibb ibc ibe ibi ibr ibx ica icb icc ice ici icr ie- iea iec iee iei ier iex iia iib iic iie iii iir iix ir- ira irb irc ire iri irr irx ixc ixe ixi ra- raa rab rac rae rai rar rax rba rbb rbc rbe rbi rbr rbx rca rcb rcc rce rci rcr rcx re- rea reb rec ree rei rer rex ria rib ric rie rii rir rix rra rrb rrc rri rrr rxr xaa xac xar xbc xbe xbr xbx xcb xci xcr xcx xee xer xex xia xic xie xii xix xrc xrx xxi xxx

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aaea aaec aaib aaic aaii aara aarc aare aari abaa abab abac abae abai abar abax abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abir abra abrc abri acaa acab acac acae acai acar acba acca accc acce acci ace- acea acec acer aci- acia acic acie acir acr- acra acrc acre acri acrr aeac aebi aecb aeci aeer aer- aera aerc aeri aiai aiba aica aicc aice aicr aiea aiee aiia aiib aiic aiir aira aire airi airx aixa aixi arab arac arae arai arar arax arba arbe arbi arc- arca arce arci area arec aree arei arex aria arib arie arii arr- arra arrc arre arri arrr axar axce axer axi- axia axie ba-i ba-x baaa baar baba babb babe babi babr bac- baca bacc bace baci baer baia baib baic baie bair baix bar- bara barb barc bare bari barr barx baxi bbbb bbci bbeb bbrc bcaa bcar bcbc bcca bccc bcci bcec bcer bcia bcie bcra bear beba bebb bebe bebi beca beci beeb beer beia beic beir bera berc bere beri berr biar biba bibb bibe bibi bica bicc bice bici bieb bier bira birb bire biri birr birx bixa bixi brab brac brae brai brax brca brcb brce brea breb brec bree brei brer brex bria bric brie brix brrr caaa caab caac caba cabe cabi cac- caca cacc cace caci cacr caec caei caer caex caia caib caic cair caix cara carb carc care cari carr carx caxa cbac cbar cbax cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbia cbir cbre cbxa ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccir ccix ccra ccrc ccre ccri ccxi ceac cear ceba cec- ceca cece ceci ceeb ceec cer- cera cerc cere ceri cexe ciaa ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciia ciii cira cirb circ cire ciri cirr cixi crab crac crai crar crax crbc crca crcc crce crcr cre- crea creb crec cree crei crex cria crib cric crie cxii cxix cxxi cxxx eaba eaca eacc eaec eara earb eare ebac ebba ebbc ebbr ebcc eber ebic ebix ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecra ecrc ecri ecrr eeca eeea eeee eera eerc eica eiec eiei eier eira eire er-x erba erbb erbe erca ercc erce ereb erec erei erer eria eric erie erra errc erre exa- exai exec exer exrx i-be iaaa iaac iaai iaba iaca iacc iacr iaea iaec iaia iara iarc iare ibac ibar ibca ibea ibec ibex ibia ibie ibra ibrc ibri icaa icab icac icai icar icbc icca iccb iccc icci iccr icea icec icee icer icex icra icrc icre icrr ieac iecc ieie iera iere ieri iiac iica iiie iiii iira iirc irac irae irai irar irbe irca ircc ircx iree irer irex iri- iria iric irie irix irra irrc irre irri ixia ixxi raab raba rabb rabe rabi rac- raca racc race raci raec raer raia raic raie raii rair raix rara rarb rare rari raxa raxi rbbb rbbr rcac rcbc rccb rccc rcic rea- reac reae rear reba rebb rebe reca recc rece reci recr reeb reia reii reir rera rere reri rexx riaa riab riai rib- riba ribe rica ricc rice rier riex riia rire riri rixc rixe rrrr xaar xace xara xare xbai xbar xbee xbra xcii xcri xeer xer- xera xexe xibe xica xiii xixi xxii xxix xxxi xxxx

-aaa- a-iii aaaai aaace aaaee aaarc aabaa aabba aabra aacbc aaeri aaice aaiib aaria abaab ababa ababe abaca abaci abaer abaia abaie abair abara abare abari abbac abbai abbar abbia abbie abccc abear abeba abebe abece abeer abeie abera abere aberr abici abira abrac abrar acaca acacb acar- acara acare acari accia accra aceae acera acerb acier acirc acrab acrea acree acria aeaea aebbe aecia aeri- aeria aerie aiacr aiaia aibar aibre aicar airai airba airer ar-ab ara-c arab- araba arabe arabi araca arace