-er -ic a-a a-b a-c a-i aaa aab aac aae aai aao aar aax ab- aba abb abc abe abi abo abr abx ac- aca acb acc ace aci aco acr acx aea aeb aec aee aei aeo aer aex ai- aia aib aic aie aii aio air aix aoa aob aoc aoe aoi aoo aor aox ar- ara arb arc are ari aro arr arx ax- axa axe axi axo axr axx baa bab bac bae bai bao bar bax bba bbb bbc bbe bbi bbo bbr bbx bca bcb bcc bce bci bco bcr bcx be- bea beb bec bee bei beo ber bex bi- bia bib bic bie bii bio bir bix boa bob boc boe boi boo bor box bra brb bre bri bro brr brx bxb bxi bxo bxx c-- caa cab cac cae cai cao car cax cba cbb cbc cbe cbi cbo cbr cbx cca ccb ccc cce cci cco ccr ccx ce- cea ceb cec cee cei ceo cer cex ci- cia cib cic cie cii cio cir cix co- coa cob coc coe coi coo cor cox cra crb crc cre cri cro crr crx cxc cxi cxo cxr cxx eaa eab eac eae eai eao ear eax eba ebb ebc ebe ebi ebo ebr ebx ec- eca ecb ecc ece eci eco ecr ecx eea eeb eec eee eeo eer eex eia eib eic eie eii eio eir eix eo- eoa eob eoc eoe eoi eoo eor era erb erc ere eri ero err ex- exa exc exe exi exo exr exx ia- iaa iab iac iae iai iao iar iba ibb ibc ibe ibi ibo ibr ibx ica icb icc ice ici ico icr ie- iea iec iee iei ier iex iia iib iic iie iii iio iir iix io- ioa iob ioc ioe ioi ioo ior ir- ira irb irc ire iri iro irr irx ixc ixe ixi o-i oaa oab oac oae oai oao oar oax ob- oba obb obc obe obi obo obr obx oc- oca ocb occ oci oco ocr ocx oea oeb oec oee oei oeo oer oex oia oib oic oie oii oio oir oo- ooa oob ooc ooi ooo oor oox or- ora orb orc ore ori oro orr orx ox- oxa oxb oxc oxi oxo oxx ra- raa rab rac rae rai rao rar rax rba rbb rbc rbe rbi rbo rbr rbx rca rcb rcc rce rci rco rcr rcx re- rea reb rec ree rei reo rer rex ria rib ric rie rii rio rir rix roa rob roc roe roi roo ror rox rra rrb rrc rri rrr rxr xaa xac xar xbc xbe xbr xbx xcb xci xcr xcx xee xer xex xia xic xie xii xio xix xoa xoc xoi xoo xor xox xrc xrx xxi xxo xxx

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aaco aacr aaea aaec aaib aaic aaii aaoe aaoo aara aarc aare aari aaro abaa abab abac abae abai abar abax abb- abba abbb abbe abbi abbo abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abir aboa abob aboo abor abox abra abrc abri abro acaa acab acac acae acai acar acba acca accc acce acci acco ace- acea acec acer aci- acia acic acie acir acoa acoe acor acr- acra acrc acre acri acro acrr aeac aebi aecb aeci aeer aeio aer- aera aerc aeri aero aiai aiba aibo aica aicc aice aicr aiea aiee aiia aiib aiic aiir aioc aioi aira aire airi airo airx aixa aixi aoba aoca aoce aora aorb arab arac arae arai arar arax arba arbe arbi arc- arca arce arci arco area arec aree arei areo arex aria arib arie arii ario aroa arob aroe aroi aroo aror arr- arra arrc arre arri arro arrr axar axce axer axi- axia axie axo- axoa axxo ba-i ba-x baaa baar baba babb babe babi babo babr bac- baca bacc bace baci baco baer baia baib baic baie baio bair baix bar- bara barb barc bare bari baro barr barx baxi bbbb bbci bbeb bbox bbrc bcaa bcar bcbc bcca bccc bcci bcec bcer bcia bcie bcor bcra bear beba bebb bebe bebi bebo beca beci beeb beer beia beic beir beo- beor bera berc bere beri bero berr biao biar biba bibb bibe bibi bibo bica bicc bice bici bico bieb bier bio- bioc bioi biox bira birb bire biri biro birr birx bixa bixi boab boac boai boar boba bobb bobe bobi bobo boca boce boco boea boec boee boeo boer boi- boie boii boob booc booe boor boox bor- bora bore bori boro borr boxa brab brac brae brai brao brax brca brcb brce brea breb brec bree brei breo brer brex bria bric brie brio brix broa brob broc broe broo bror brox brrr c-bo caaa caab caac caba cabe cabi cabo cac- caca cacc cace caci caco cacr caec caei caer caex caia caib caic caio cair caix caoi caor cara carb carc care cari caro carr carx caxa cbac cbar cbax cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbia cbir cbox cbre cbxa ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccir ccix ccob ccoc ccra ccrc ccre ccri ccxi ceac cear ceba cec- ceca cece ceci ceco ceeb ceec ceor cer- cera cerc cere ceri cero cexe ciaa ciao ciar ciba cibc cibe cibi cibo cica cicc cici cico cicr ciee cier ciia ciii ciob cior cira cirb circ cire ciri ciro cirr cixi coai coax coba cobb cobe cobi cobo coca coce coco coex coia coir coix coob cor- cora corb corc core cori coro corr coxa coxe crab crac crai crar crax crbc crca crcc crce crcr cre- crea creb crec cree crei creo crex cria crib cric crie crob croc croe croo cror cxii cxix cxro cxxi cxxx eaba eaca eacc eaec eara earb