-ic a-a a-b a-c a-i aaa aab aac aad aah aai aak aas ab- aba abb abc abd abh abi abk abs ac- aca acb acc acd ach aci ack acs ad- ada adb adc add adh adi adk ads aha ahb ahc ahd ahh ahi ahk ahs ai- aia aib aic aid aih aii aik ais aka akb akc akd akh aki akk aks as- asa asb asc asd ash asi ask ass baa bab bac bad bah bai bak bas bba bbb bbc bbd bbh bbi bbk bbs bca bcb bcc bcd bch bci bck bcs bda bdb bdc bdd bdh bdi bdk bds bha bhb bhc bhd bhh bhi bhk bhs bi- bia bib bic bid bih bii bik bis bka bkb bkc bkk bks bsa bsb bsc bsd bsh bsi bsk bss c-- caa cab cac cad cah cai cak cas cba cbb cbc cbd cbh cbi cbk cbs cca ccb ccc ccd cch cci cck ccs cda cdb cdc cdd cdh cdi cdk cds ch- cha chb chc chd chh chi chk chs ci- cia cib cic cid cih cii cik cis cka ckb ckc ckd ckh cki cks csa csb csc csd csh csi csk css daa dab dac dad dah dai dak das dba dbb dbc dbd dbh dbi dbk dbs dca dcb dcc dcd dci dck dcs dda ddb ddc ddd ddh ddi ddk dds dh- dha dhb dhc dhd dhh dhi dhk dhs di- dia dib dic did dih dii dik dis dka dkb dkc dki dkk dks dsa dsb dsc dsd dsh dsi dsk dss h-i haa hab hac had hah hai hak has hba hbb hbc hbd hbh hbi hbk hbs hca hcb hcc hcd hch hci hck hcs hda hdb hdc hdd hdh hdi hdk hds hha hhb hhc hhd hhh hhi hhk hhs hia hib hic hid hih hii hik his hka hkb hkd hkh hki hkk hks hsa hsb hsc hsd hsh hsi hsk hss i-d ia- iaa iab iac iad iah iai ias iba ibb ibc ibd ibh ibi ibk ibs ica icb icc icd ich ici ick ics ida idb idc idd idh idi idk ids iha ihb ihc ihd ihh ihi ihk ihs iia iib iic iid iih iii iis ika ikb ikc iki ikk iks is- isa isb isc isd ish isi isk iss ka- kaa kab kac kad kah kai kak kas kba kbb kbc kbd kbh kbi kbk kbs kca kcb kcc kcd kch kci kck kcs kda kdb kdc kdh kdk kds kha khh khi khk khs kia kib kic kid kih kii kik kis kkb kkc kkh kki kkk kks ksa ksb ksc ksd ksh ksi ksk kss saa sab sac sad sah sai sak sas sba sbb sbc sbd sbh sbi sbk sbs sca scb scc scd sch sci sck scs sda sdb sdc sdd sdh sdi sdk sds sh- sha shb shc shd shh shi shk shs sia sib sic sid sih sii sik sis sk- ska skb skc skd skh ski skk sks ss- ssa ssb ssc ssd ssh ssi ssk sss

a-ak a-ha a-ii aaaa aaab aaac aaad aaah aaai aaas aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aach aaci aack aacs aada aadc aadi aads aaha aahk aahs aaib aaic aaii aais aaka aasa aasc aasd aasi aass abaa abab abac abad abai abak abas abb- abba abbb abbi abbs abca abcb abcc abcd abch abci abcs abda abdi abha abhi abhs abia abib abic abid abis abs- absa absd absi abss acaa acab acac acad acai acas acba acca accc accd acch acci accs acda acdb acdc acdi acds acha achh achi achs aci- acia acic acid acis ackd acks acsa acsc acsd acsi acss adaa adab adac adad adah adai adak adas adba adbc adbi adcc adci adcs adda addc addd addi adds adha adhd adhi adhs adia adib adic adik adis adki adsa adsi adss ahab ahac ahad ahah ahai ahas ahdi ahha ahhs ahis ahsa ahss aiai aias aiba aica aicc aicd aich aics aida aidb aidc aidi aids aiha aihs aiia aiib aiic aiid aika aiki aiks aisa aisb aisd aish aisi aisk akaa akah akai akas akca akha akhs akia akid akik akis akka akki aksa aksi asaa asab asac asad asah asai asak asas asba asc- asca ascb ascc asch asci asda asds asha ashi ashk ashs asia asic asii asik asis aska aski asks assa assc assd assh assi assk asss ba-i baaa baad baah baak baas baba babb babi babs bac- baca bacc bach baci back bacs bada badb badd badh badi bads baha bahi bahs baia baib baic baid baik bais bak- baka bakh baki baks basa basc bash basi bask bass bbad bbas bbbb bbbs bbch bbci bbdd bbhs bcaa bcas bcbc bcbs bcca bccc bcci bccs bcda bcds bchd bchs bcia bcis bcsa bcsc bcss bdbc bddc bddh bdhs bdii bdsd bhai bhca bhcc bhhs biad biak bias biba bibb bibi bibs bica bicc bich bici bick bics bida bidi bids biha bihi bihs biis bikh bis- bisa bisc bisd bish bisk biss bkhs bsaa bsac bsas bsbd bsci bscs bshs bsic bssc bssd c-cd caaa caab caac caah caas caba cabi cabs cac- caca cacc cach caci cack cada cadc cadd cadi cads caha cahs caia caib caic caid caik cais caka casa casb casc casd cash casi cask cass cbac cbbc cbbs cbca cbcc cbcs cbdb cbdc cbdi cbds cbha cbhs cbia cbid cbka cbsa cbsc cbsi ccaa ccab ccac ccad ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccdc ccdh ccdi ccds ccha cchs ccic ccid ccii ccis ccsa ccsd ccsi ccss cdaa cdac cdad cdai cdba cdcs cdda cddb cdhs cdic cdii cdis cdss chaa chab chac chad chah chai chak chas chca chch chci chcs chdi chha chhs chia chib chic chid chih chik chis chka chkb chks chsc chsh chsi ciaa ciak cias ciba cibc cibi cica cicc cich cici cics