-ic a-a a-b a-c a-i aaa aab aac aai aak aas ab- aba abb abc abi abk abs ac- aca acb acc aci ack acs ai- aia aib aic aii aik ais aka akb akc aki akk aks as- asa asb asc asi ask ass baa bab bac bai bak bas bba bbb bbc bbi bbk bbs bca bcb bcc bci bck bcs bi- bia bib bic bii bik bis bka bkb bkc bkk bks bsa bsb bsc bsi bsk bss c-- caa cab cac cai cak cas cba cbb cbc cbi cbk cbs cca ccb ccc cci cck ccs ci- cia cib cic cii cik cis cka ckb ckc cki cks csa csb csc csi csk css ia- iaa iab iac iai ias iba ibb ibc ibi ibk ibs ica icb icc ici ick ics iia iib iic iii iis ika ikb ikc iki ikk iks is- isa isb isc isi isk iss ka- kaa kab kac kai kak kas kba kbb kbc kbi kbk kbs kca kcb kcc kci kck kcs kia kib kic kii kik kis kkb kkc kki kkk kks ksa ksb ksc ksi ksk kss saa sab sac sai sak sas sba sbb sbc sbi sbk sbs sca scb scc sci sck scs sia sib sic sii sik sis sk- ska skb skc ski skk sks ss- ssa ssb ssc ssi ssk sss

a-ak a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aaca aacb aacc aaci aack aacs aaib aaic aaii aais aaka aasa aasc aasi aass abaa abab abac abai abak abas abb- abba abbb abbi abbs abca abcb abcc abci abcs abia abib abic abis abs- absa absi abss acaa acab acac acai acas acba acca accc acci accs aci- acia acic acis acks acsa acsc acsi acss aiai aias aiba aica aicc aics aiia aiib aiic aika aiki aiks aisa aisb aisi aisk akaa akai akas akca akia akik akis akka akki aksa aksi asaa asab asac asai asak asas asba asc- asca ascb ascc asci asia asic asii asik asis aska aski asks assa assc assi assk asss ba-i baaa baak baas baba babb babi babs bac- baca bacc baci back bacs baia baib baic baik bais bak- baka baki baks basa basc basi bask bass bbas bbbb bbbs bbci bcaa bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcsa bcsc bcss biak bias biba bibb bibi bibs bica bicc bici bick bics biis bis- bisa bisc bisk biss bsaa bsac bsas bsci bscs bsic bssc caaa caab caac caas caba cabi cabs cac- caca cacc caci cack caia caib caic caik cais caka casa casb casc casi cask cass cbac cbbc cbbs cbca cbcc cbcs cbia cbka cbsa cbsc cbsi ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccis ccsa ccsi ccss ciaa ciak cias ciba cibc cibi cica cicc cici cics ciia ciii ciis cika cis- cisa cisc cisk ciss ckac ckbc ckbi ckck ckcs cksa cksb csaa csab csac csak csas cscb cscc csci cscs csia csib csik csis cska csks cssa iaaa iaac iaai iaas iaba iaca iacc iacs iaia iais iasa iasc iasi iask ibac ibas ibca ibcs ibia ibis ibsa ibss icaa icab icac icai icas icbc icbs icca iccb iccc icci iccs icis icks icsa icsb icsc icsi icss iiac iias iica iiii iiis iisc iisi ikki is-a isac isai isak isas isba isca iscc isci iscs isia isic isis iska issa issc issi isss k-ci kaaa kaab kaai kaak kaas kaba kabb kabc kabi kacb kacc kaci kacs kaia kaib kaic kaii kaik kais kaka kakc kaki kakk kaks kas- kasa kasb kasc kasi kask kass kbaa kbab kbac kbai kbak kbas kbba kbbb kbbc kbbi kbbk kbbs kbca kbcb kbci kbck kbcs kbia kbib kbic kbik kbis kbkb kbkk kbsa kbsb kbsi kbsk kbss kcaa kcab kcac kcai kcas kcba kcbc kcbi kcbk kcbs kcca kccb kccc kcci kcck kcic kcii kcis kckc kckk kcsa kcsb kcsc kcsi kcss kiab kiac kiai kias kiba kibb kibc kibi kibs kica kicb kicc kick kics kiia kiic kiii kiik kiis kika kikc kiki kikk kisa kisc kisi kisk kiss kkaa kkac kkai kkba kkbb kkbi kkbs kkcb kkci kkck kkcs kkia kkic kkik kkkk kksa kksi kkss ksab ksac ksak ksas ksba ksbc ksbi ksbs ksca kscb ksci ksck kscs ksib ksii ksik ksis kska kskb kskk ksks kssa kssi ksss s-ib s-ic s-ii sa-c saab saac saak saas saba sabb sabc sabi sabs saca sacc saci sack sacs saia saic saik sais saka sakb saki sakk saks sasa sasc sasi sask sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi scaa scab scac scai scak scas scba scbi sccc sccs sci- scia scic scis sck- scsa scsc scsi siaa siab siac siai siak sias siba sibc sibi sibs sica sicc sici sick sics siik sika siki siks sisa sisc sisi sisk siss skab skac skai skia skic skik skis skss ssaa ssab ssac ssas ssca sscc ssci sscs ssis sssa sssb sssc sssi ssss

-aaa- a-iii aaaai aaaas aaais aaasa aaass aabaa aabba aacbc aacsa aacsb aacss aaiib aasai aasia abaab ababa ababs abaca abaci aback abacs abaia abaka abasa abasi abask abass abbac abbai abbas abbia abcas abccc abias abibs abici abiss absis acaca acacb acack acass accas accia acics acsis aiaia aibik aicas aikia aisai aissa akaba akaki akasa akbas akiak akiba akick akiss akkas aksai aksis as-is asaak asaba asabc asack asaia asaic asaka asaki asasa asbak asbca asbis asci- ascii asiab asias asick asics asika askas askis asksa assab assac assai assas assia assik assis b-cas babai babak babas babbs babia babic babka babki babsk bacab bacas bacca bacci bacia back- backa backi backs baiba baici baisa baisi baisk bakai bakia bakic bakis bakka baksa basab basai basak basca basci basi- basia basic basis baska basks bassa bassi bbiab biaka biasi bibas bibbs bibia bibic bibis bicas bicsi biisk bisas bisca bisks bissa bsaba bsisa c-a-c