-ic -ji a-a a-b a-c a-i a-t aaa aab aac aai aaj aao aar aas aat ab- aba abb abc abi abj abo abr abs abt ac- aca acb acc aci acj aco acr acs act ai- aia aib aic aii aio air ais ait aja ajb ajc aji ajj ajo ajr ajs ajt aoa aob aoc aoi aoj aoo aor aos aot ar- ara arb arc ari arj aro arr ars art as- asa asb asc asi asj aso asr ass ast at- ata atb atc ati ato atr ats att baa bab bac bai baj bao bar bas bat bba bbb bbc bbi bbo bbr bbs bbt bca bcb bcc bci bcj bco bcr bcs bct bi- bia bib bic bii bij bio bir bis bit bja bjc bji bjj bjr bjs bjt boa bob boc boi boj boo bor bos bot bra brb bri brj bro brr brs brt bsa bsb bsc bsi bsj bso bsr bss bst bta btb btc bti bto btr bts btt c-- c-j caa cab cac cai caj cao car cas cat cba cbb cbc cbi cbj cbo cbr cbs cbt cca ccb ccc cci ccj cco ccr ccs cct ci- cia cib cic cii cij cio cir cis cit cja cjb cjc cjr cjs co- coa cob coc coi coj coo cor cos cot cra crb crc cri crj cro crr crs crt csa csb csc csi csj cso csr css cst cta ctb ctc cti cto ctr cts ctt ia- iaa iab iac iai iao iar ias iat iba ibb ibc ibi ibj ibo ibr ibs ibt ica icb icc ici icj ico icr ics ict iia iib iic iii iij iio iir iis iit ija ijb ijc iji ijo ijs ijt io- ioa iob ioc ioi ioj ioo ior ios iot ir- ira irb irc iri irj iro irr irs irt is- isa isb isc isi isj iso isr iss ist ita itb itc iti itj ito its itt j-i jaa jab jac jai jaj jao jar jas jat jba jbc jbi jbj jbo jbr jbs jbt jca jcb jcc jci jco jcr jcs jct jia jib jic jii jij jio jir jis jit jja jjb jjc jjj jjr jjs joa job joc joi joj joo jor jos jot jra jrb jrc jri jro jrr jrs jrt jsa jsb jsc jsi jsj jso jsr jss jst jta jtb jtc jti jtr jts jtt o-i oaa oab oac oai oaj oao oar oas oat ob- oba obb obc obi obj obo obr obs obt oc- oca ocb occ oci ocj oco ocr ocs oct oia oib oic oii oio oir ois oit oja ojb ojc oji ojo ojs oo- ooa oob ooc ooi ooo oor oos oot or- ora orb orc ori oro orr ors ort os- osa osb osc osi osj oso osr oss ost ot- ota otb otc oti oto otr ots ott ra- raa rab rac rai raj rao rar ras rat rba rbb rbc rbi rbo rbr rbs rbt rca rcb rcc rci rcj rco rcr rcs rct ria rib ric rii rio rir ris rit rja rjc rjr roa rob roc roi roj roo ror ros rot rra rrb rrc rri rrr rrs rrt rsa rsb rsc rsi rsj rso rsr rss rst rta rtb rtc rti rtj rto rtr rts rtt saa sab sac sai saj sao sar sas sat sba sbb sbc sbi sbj sbo sbr sbs sbt sca scb scc sci scj sco scr scs sct sia sib sic sii sij sio sir sis sit sja sjb sjc sji sjj sjr sjs sjt soa sob soc soi soj soo sor sos sot sr- sra srb src sri srj sro srr srs srt ss- ssa ssb ssc ssi ssj sso ssr sss sst sta stb stc sti stj sto str sts stt taa tab tac tai taj tao tar tas tat tba tbb tbc tbi tbj tbo tbr tbs tbt tca tcb tcc tci tcj tco tcr tcs tct tia tib tic tii tio tir tis tit tjc tji tjo tjr tjs to- toa tob toc toi toj too tor tos tot tra trb trc tri tro trr trs trt tsa tsb tsc tsi tsj tso tsr tss tst tta ttb ttc tti tto ttr tts ttt

a-ii aaaa aaab aaac aaai aaar aaas aaba aabb aabc aabi aabt aaca aacb aacc aaci aaco aacr aacs aact aaib aaic aaii aais aaoo aara aarc aari aaro aars aart aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abaj abar abas abat abb- abba abbb abbi abbo abbr abbs abbt abca abcb abcc abci abcr abcs abct abia abib abic abir abis abit abjs aboa abob aboo abor abos abot abra abrc abri abro abrs abs- absa absi abss abta abts ac-t acaa acab acac acai acar acas acat acba acca accc acci acco accs acct aci- acia acic acir acis acoa acor acos acot acr- acra acrc acri acro acrr acrs acsa acsc acsi acss acst acta actc acti acto acts actt aiai aias aiba aibo aica aicc aicr aics aiia aiib aiic aiir aija aioc aioi aira airi airo airs airt aisa aisb aisi aisj aiso aisr aist aita aiti aitr aits aitt ajab ajac ajao ajar ajas ajat ajba ajio ajis ajit ajob ajoo ajot ajri ajss aoba aoca aocs aora aorb aors aort aoss aotc arab arac arai arar aras arat arba arbi arbs arc- arca arci arco arcs arct aria arib arii arij ario aris arit arja arjo aroa arob aroi aroo aror aros arr- arra arrc arri arro arrr arrs arrt ars- arsa arsc arsi arso arst arta artc arti arto artr arts asaa asab asac asai asao asar asas asat asba asbo asc- asca ascb ascc asci ascj asco ascr asct asia asic asii asij asio asir asis asit asja asob asoc asoi asor asos asot asra asrc asro asrs assa assc assi asso assr asss asst asta astb astc asti asto astr asts