-ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aas ab- aba abb abc abe abg abi abk abs ac- aca acb acc ace acg aci ack acs aea aeb aec aee aeg aei aek aes ag- aga agb agc age agg agi agk ags ai- aia aib aic aie aig aii aik ais aka akb akc ake akg aki akk aks as- asa asb asc ase asg asi ask ass baa bab bac bae bag bai bak bas bba bbb bbc bbe bbg bbi bbk bbs bca bcb bcc bce bcg bci bck bcs be- bea beb bec bee beg bei bek bes bga bgb bgc bge bgg bgi bgk bgs bi- bia bib bic bie big bii bik bis bka bkb bkc bke bkg bkk bks bsa bsb bsc bse bsg bsi bsk bss c-- caa cab cac cae cag cai cak cas cba cbb cbc cbe cbg cbi cbk cbs cca ccb ccc cce ccg cci cck ccs ce- cea ceb cec cee ceg cei cek ces cga cgb cgc cge cgg cgi cgs ci- cia cib cic cie cig cii cik cis cka ckb ckc cki cks csa csb csc cse csg csi csk css eaa eab eac eae eag eai eak eas eba ebb ebc ebe ebg ebi ebk ebs ec- eca ecb ecc ece ecg eci eck ecs eea eeb eec eee eeg eek ees ega egb egc ege egg egi egs eia eib eic eie eig eii eik eis eka ekb ekc eke ekg eki eks es- esa esb esc ese esg esi esk ess gaa gab gac gae gag gai gak gas gba gbc gbe gbg gbi gbk gbs gca gcb gcc gce gcg gci gck gcs ge- gea geb gec gee geg gei gek ges gga ggb ggc ggg ggi ggs gia gib gic gie gig gii gik gis gka gkb gks gsa gsb gsc gse gsg gsi gsk gss ia- iaa iab iac iae iag iai ias iba ibb ibc ibe ibg ibi ibk ibs ica icb icc ice icg ici ick ics ie- iea iec iee ieg iei iek ies iga igb igc ige igg igi igk igs iia iib iic iie iii iis ika ikb ikc ike iki ikk iks is- isa isb isc ise isg isi isk iss ka- kaa kab kac kae kag kai kak kas kba kbb kbc kbe kbi kbk kbs kca kcb kcc kce kcg kci kck kcs ke- kea keb kec kee keg kei kek kes kga kgb kgc kgi kgs kia kib kic kie kig kii kik kis kkb kkc kke kki kkk kks ksa ksb ksc kse ksg ksi ksk kss saa sab sac sae sag sai sak sas sba sbb sbc sbe sbg sbi sbk sbs sca scb scc sce scg sci sck scs se- sea seb sec see seg sei sek ses sga sgb sgc sge sgg sgi sgk sgs sia sib sic sie sig sii sik sis sk- ska skb skc ske skg ski skk sks ss- ssa ssb ssc sse ssg ssi ssk sss

-ase a-ak a-be a-ii aaaa aaab aaac aaae aaai aaas aaba aabb aabc aabi aaca aacb aacc aace aaci aack aacs aaea aaec aaes aage aaib aaic aaii aais aaka aake aasa aasc aase aasi aass abaa abab abac abae abag abai abak abas abb- abba abbb abbe abbi abbs abca abcb abcc abci abcs abec abee abes abia abib abic abie abig abis abs- absa abse absi abss acaa acab acac acae acag acai acas acba acca accc acce acci accs ace- acea acec acek aces acga acgi acgs aci- acia acic acie acis acke acks acsa acsc acse acsi acss aeac aeas aebi aebs aecb aeci aega aeka aesc aess agac agag agai agas agba agca agcc agce agea agee agei ages agga agge aggi agia agib agic agie agig agii agis agsa agsg aiai aias aiba aica aicc aice aics aiea aiee aiga aiia aiib aiic aika aike aiki aiks aisa aisb aise aisg aisi aisk akaa akae akai akas akca akee akeg akes akia akie akik akis akka akki aksa aksi asaa asab asac asae asag asai asak asas asba asc- asca ascb ascc asce asci asea asec asee asek ases asge asia asic asie asii asik asis aska aske aski asks assa assc asse assi assk asss ba-i baaa baak baas baba babb babe babi babs bac- baca bacc bace baci back bacs baek baes baga bage bagg bagi bags baia baib baic baie baig baik bais bak- baka bake baki baks basa basc base basi bask bass bbas bbbb bbbs bbci bbeb bbga bcaa bcas bcbc bcbg bcbs bcca bccc bcci bccs bcec bces bcgs bcia bcie bcis bcsa bcsc bcss beag beak beas beba bebb bebe bebi beca beci beck becs beeb beeg beek bees bega begg begi begs beia beic beik beis beka beke beki beks bes- besa bese besk bess bgca bggs bgia biak bias biba bibb bibe bibi bibs bica bicc bice bicg bici bick bics bieb bies biga bigb bigc bige bigg bigs biis bike bis- bisa bisc bise bisk biss bsaa bsac bsas bsci bscs bsea bseb bsec bsee bseg bses bsgs bsic bssc bsse caaa caab caac caas caba cabe cabg cabi cabs cac- caca cacc cace caci cack caec caei caes caga cage cagg cagi cags caia caib caic caik cais caka cake casa casb casc case casi cask cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbga cbgb cbia cbka cbkg cbsa cbsc cbse cbsi ccaa ccab ccac ccag ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccee ccga ccgc ccgs ccic ccii ccis ccsa ccsg ccsi ccss ceac ceas ceba cebs cec- ceca cece ceci cecs ceeb ceec cees cege ceke cesa cesc cese cesg cesi cess cgac cgas cgcc cgcg cges cggs cgis cgsb cgss ciaa ciak cias ciba cibc cibe cibi cica cicc cici cics ciee cies ciga cigi cigs ciia ciii ciis cika cis- cisa cisc