-er -ic a-a a-b a-c a-i aaa aab aac aae aai aar aau aax ab- aba abb abc abe abi abr abu abx ac- aca acb acc ace aci acr acu acx aea aeb aec aee aei aer aeu aex ai- aia aib aic aie aii air aiu aix ar- ara arb arc are ari arr aru arx au- aua aub auc aue aui aur aux ax- axa axe axi axr axx b-u baa bab bac bae bai bar bau bax bba bbb bbc bbe bbi bbr bbu bbx bca bcb bcc bce bci bcr bcu bcx be- bea beb bec bee bei ber beu bex bi- bia bib bic bie bii bir biu bix bra brb bre bri brr bru brx bua bub buc bue bui bur buu bux bxb bxi bxx c-- caa cab cac cae cai car cau cax cba cbb cbc cbe cbi cbr cbu cbx cca ccb ccc cce cci ccr ccu ccx ce- cea ceb cec cee cei cer ceu cex ci- cia cib cic cie cii cir ciu cix cra crb crc cre cri crr cru crx cua cub cuc cue cui cur cuu cxc cxi cxr cxx eaa eab eac eae eai ear eau eax eba ebb ebc ebe ebi ebr ebu ebx ec- eca ecb ecc ece eci ecr ecu ecx eea eeb eec eee eer eex eia eib eic eie eii eir eiu eix era erb erc ere eri err eru eu- eua eub euc eue eui eur eux ex- exa exc exe exi exr exu exx ia- iaa iab iac iae iai iar iau iba ibb ibc ibe ibi ibr ibu ibx ica icb icc ice ici icr icu ie- iea iec iee iei ier iex iia iib iic iie iii iir iiu iix ir- ira irb irc ire iri irr iru irx iu- iua iub iuc iue iui iur ixc ixe ixi ra- raa rab rac rae rai rar rau rax rba rbb rbc rbe rbi rbr rbu rbx rca rcb rcc rce rci rcr rcu rcx re- rea reb rec ree rei rer reu rex ria rib ric rie rii rir rix rra rrb rrc rri rrr rru rua rub ruc rue rui rur ruu rux rxr ua- uaa uab uac uae uai uar uau uba ubb ubc ube ubi ubr ubu ubx uca ucb ucc uce uci ucr ucu uea ueb uec uee uei uer uia uib uic uie uii uir uiu ur- ura urb urc ure uri urr uru urx uua uuc uue uur uuu uxb uxc uxr uxu xaa xac xar xau xbc xbe xbr xbx xcb xci xcr xcx xee xer xeu xex xia xic xie xii xiu xix xrc xrx xue xui xxi xxx

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aacu aaea aaec aaib aaic aaii aara aarc aare aari aaru abaa abab abac abae abai abar abau abax abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abir abiu abra abrc abri abua abue acaa acab acac acae acai acar acba acca accc acce acci accu ace- acea acec acer aci- acia acic acie acir acr- acra acrc acre acri acrr acu- acue acur 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 aiui aixa aixi arab arac arae arai arar arau arax arba arbe arbi arc- arca arce arci area arec aree arei areu arex aria arib arie arii arr- arra arrc arre arri arrr arru arua arub arue arui auaa aube auca auce auci auer aur- aura aure auri auxa axar axce axer axi- axia axie ba-i ba-x baaa baar baba babb babe babi babr babu bac- baca bacc bace baci baer baia baib baic baie bair baix bar- bara barb barc bare bari barr baru barx bau- baur baux baxi bbau bbbb bbci bbeb bbrc bcaa bcar bcbc bcca bccc bcci bcec bcer bcia bcie bcra bcru bcuc bear beau beba bebb bebe bebi beca beci becu beeb beer beia beic beir bera berc bere beri berr beru beur beux biar biba bibb bibe bibi bica bicc bice bici bieb bier bieu bira birb bire biri birr biru birx bixa bixi brab brac brae brai brau brax brca brcb brce brea breb brec bree brei brer brex bria bric brie brix brrr bruc brue brux buar buba bubb bube bubi bubu buca bucc buce buci bucu buea buer bueu buic buie buir buiu buix bur- bura burb bure buri burr buru buxa caaa caab caac caba cabe cabi cabu cac- caca cacc cace caci cacr caec caei caer caeu caex caia caib caic cair caiu caix cara carb carc care cari carr carx cauc caux caxa cbac cbar cbax cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbia cbir cbre cbux cbxa ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccu ccee ccic ccii ccir ccix ccra ccrc ccre ccri ccuc ccxi ceac cear ceba cebu cec- ceca cece ceci ceeb ceec cer- cera cerc cere ceri ceui ceux cexe ciaa ciar ciau ciba cibc cibe cibi cica cicc cici cicr cicu ciee cier ciia ciii cira cirb circ cire ciri cirr ciuc cixi crab crac crai crar crau crax crbc crbu crca crcc crce crcr cre- crea creb crec cree crei creu crex cria crib cric crie criu crub crue crux cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuer cui- cuir cura curb cure curi curr cxii cxix cxxi cxxx eaba eaca eacc eaec eaiu eara earb eare eaux ebac ebba ebbc ebbr ebcc eber ebic ebix ebru ebur ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecra ecrc ecri ecrr ecru ecua eeca eeea eeee eera eerc eica eiec eiei eier eira eire er-x erau erba erbb erbe erca ercc erce ereb erec erei erer eria eric