-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aao aar aat aax ab- aba abb abc abe abi abo abr abt abx ac- aca acb acc ace aci aco acr act acx aea aeb aec aee aei aeo aer aet aex ai- aia aib aic aie aii aio air ait aix aoa aob aoc aoe aoi aoo aor aot aox ar- ara arb arc are ari aro arr art arx at- ata atb atc ate ati ato atr att atx ax- axa axe axi axo axr axt axx baa bab bac bae bai bao bar bat bax bba bbb bbc bbe bbi bbo bbr bbt bbx bca bcb bcc bce bci bco bcr bct bcx be- bea beb bec bee bei beo ber bet bex bi- bia bib bic bie bii bio bir bit bix boa bob boc boe boi boo bor bot box bra brb bre bri bro brr brt brx bta btb btc bte bti bto btr btt btx bxb bxi bxo bxx c-- caa cab cac cae cai cao car cat cax cba cbb cbc cbe cbi cbo cbr cbt cbx cca ccb ccc cce cci cco ccr cct ccx ce- cea ceb cec cee cei ceo cer cet cex ci- cia cib cic cie cii cio cir cit cix co- coa cob coc coe coi coo cor cot cox cra crb crc cre cri cro crr crt crx cta ctb ctc cte cti cto ctr ctt ctx cxc cxi cxo cxr cxt cxx eaa eab eac eae eai eao ear eat eax eba ebb ebc ebe ebi ebo ebr ebt ebx ec- eca ecb ecc ece eci eco ecr ect ecx eea eeb eec eee eeo eer eet eex eia eib eic eie eii eio eir eit eix eo- eoa eob eoc eoe eoi eoo eor eot era erb erc ere eri ero err ert eta etb etc ete eti eto etr ett etx ex- exa exc exe exi exo exr ext exx ia- iaa iab iac iae iai iao iar iat iba ibb ibc ibe ibi ibo ibr ibt ibx ica icb icc ice ici ico icr ict ie- iea iec iee iei ier iet iex iia iib iic iie iii iio iir iit iix io- ioa iob ioc ioe ioi ioo ior iot ir- ira irb irc ire iri iro irr irt irx ita itb itc ite iti ito itt itx ixc ixe ixi o-i oaa oab oac oae oai oao oar oat oax ob- oba obb obc obe obi obo obr obt obx oc- oca ocb occ oci oco ocr oct ocx oea oeb oec oee oei oeo oer oet oex oia oib oic oie oii oio oir oit oo- ooa oob ooc ooi ooo oor oot oox or- ora orb orc ore ori oro orr ort orx ot- ota otb otc ote oti oto otr ott ox- oxa oxb oxc oxi oxo oxt oxx ra- raa rab rac rae rai rao rar rat rax rba rbb rbc rbe rbi rbo rbr rbt rbx rca rcb rcc rce rci rco rcr rct rcx re- rea reb rec ree rei reo rer ret rex ria rib ric rie rii rio rir rit rix roa rob roc roe roi roo ror rot rox rra rrb rrc rri rrr rrt rta rtb rtc rte rti rto rtr rtt rtx rxr t-x taa tab tac tae tai tao tar tat tax tba tbb tbc tbe tbi tbo tbr tbt tca tcb tcc tce tci tco tcr tct tcx te- tea teb tec tee tei teo ter tet tex tia tib tic tie tii tio tir tit tix to- toa tob toc toe toi too tor tot tox tra trb trc tre tri tro trr trt trx tta ttb ttc tte tti tto ttr ttt ttx txe txi txt xaa xac xar xat xbc xbe xbr xbx xcb xci xcr xcx xee xer xet xex xia xic xie xii xio xit xix xoa xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aaco aacr aact aaea aaec aaib aaic aaii aaoe aaoo aara aarc aare aari aaro aart aata aatc aatt abaa abab abac abae abai abar abat abax abb- abba abbb abbe abbi abbo abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abir abit aboa abob aboo abor abot abox abra abrc abri abro abta ac-t acaa acab acac acae acai acar acat acba acca accc acce acci acco acct ace- acea acec acer acet aci- acia acic acie acir acoa acoe acor acot acr- acra acrc acre acri acro acrr acta actc acte acti acto actt aeac aebi aecb aeci aect aeer aeio aeit aer- aera aerc aeri aero aeta aetc aeto aetr aett aetx aiai aiba aibo aica aicc aice aicr aiea aiee aiet aiia aiib aiic aiir aioc aioi aira aire airi airo airt airx aita aite aiti aitr aitt aixa aixi aoba aoca aoce aora aorb aort aotc arab arac arae arai arar arat arax arba arbe arbi arc- arca arce arci arco arct area arec aree arei areo aret arex aria arib arie arii ario arit aroa arob aroe aroi aroo aror arr- arra arrc arre arri arro arrr arrt arta artc arte arti arto artr artx at-t at-x ataa atab atac atae atai atar atat atax atca atcc atco atcr atea atec atee atei ateo ater atex atia atic atie atit atob atoc atoe atoi ator atot atra atrc atre atri atro atrx atta atte atti atto attr axar axat axce axer axi- axia axie axo- axoa axto axxo ba-i ba-x baaa baar baat baba babb babe babi babo babr bac- baca bacc bace baci baco bact baer baia baib baic baie baio bair bait baix bar- bara barb barc bare bari baro barr bart barx bata batc bate bati bato batt baxi baxt