a-ii aaaa aaac aaaf aaai aaas aaca aacc aacf aaci aacs aact aafa aafc aaff aafi aaic aaii aais aasa aasc aasf aasi aass aast aata aatc aatf aatt ac-t acaa acac acag acai acas acat acca accc accf acci accs acct acfc acfi acfs acft acga acgi acgs aci- acia acic acif acis acsa acsc acsi acss acst acta actc actf actg acti acts actt afaa afat afca afcc afci afcs affa affc affi affs afft afgf afia afif afig afis afit afsa afsc afst afta aftc afts agac agag agai agas agat agca agcc agct agfa agga aggi agia agic agig agii agis agit agsa agsg agst agta agts aiai aias aica aicc aicf aics aiff aifs aiga aiia aiic aisa aisg aisi aist aita aitf aiti aits aitt asaa asac asaf asag asai asas asat asc- asca ascc asci asct asfa asfi asgt asia asic asif asii asis asit assa assc assi asss asst asta astc asti asts at-t ataa atac atai atas atat atca atcc atcf atcs atfc atfs atia atic atif atis atit atsc atsi atst atta atti atts caaa caac caaf caas caat cac- caca cacc caci cafa cafc caff cafs caga cagg cagi cags caia caic cais cait casa casc casi cass cast cat- cata catc catf cati cats catt ccaa ccac ccaf ccag ccai ccas ccat ccca cccc cccf ccci cccs ccfa ccfc ccff ccfi ccga ccgc ccgs ccgt ccic ccii ccis ccsa ccsf ccsg ccsi ccss ccst cctc cctt cfaa cfac cfca cfcf cfcs cfgs cfia cfit cfsa cfsg cfsi cfta cftc cgac cgas cgcc cgcg cgfc cggs cgis cgss cgst ciaa cias ciat cica cicc cici cics cict cifa ciff cifg cifs ciga cigi cigs ciia ciii ciis ciit cis- cisa cisc ciss cist cita citf citg citi cits citt csaa csac csas csat cscc cscf csci cscs csfc csia csis csit cssa csta cstc cstg csts ctag ctca ctcf ctfc ctfs ctgf ctia ctic ctsa ctsc ctss ctta ctts faaa faac faas faca facc facs fact fafa fafc faff fafg fafi fagg fagi fags fais fait fasa fasc fasi fass fast fata fatc fatf fati fats fatt fcas fcat fcca fccf fcgs fcic fcii fcsc fcst ffcc ffff ffii ffsa ffss fftf fgcs fgts fiaa fiac fiaf fias fiat fica ficc fics fict fifa fifc fiff fifi fift figa figc figg figs fiii fisa fisc fisi fiss fist fita fitc fiti fits fitt fsai fsas fscc fsfi fsgs fsia fssa fssc fssf fsta ft-c ftfc ftii ftsa gaas gafa gafc gaff gafi gaft gaga gagg gagi gags gaia gaig gais gait gasa gasc gasi gass gast gata gatc gati gats gatt gc-c gcaa gcat gccc gccf gccs gcfc gcic gcii gcss gcst gctc gcts gfcf gfci gffa ggfg gggg ggss giaa giac giai gias giat gica giff gifs gift giga gigg gigi gigs giis gisa giss gist gita gits gsat gsfc gsif gsis gtaa gtcs gtfc gtta iaaa iaac iaai iaas iaat iaca iacc iacs iact iafc iaff iags iaia iais iasa iasc iasi iata iatc iati icaa icac icaf icag icai icas icat icca iccc iccf icci iccs icct icga icgc icis icsa icsc icsi icss icst icta icts ifaa ifac ifas ifat ific ifis ifit ifsa ifsc ifta igac igas igcc igfa igfc igga iggs igia igis iiac iias iica iifa iiii iiis iiit iisc iisi iist iita iitt is-a isac isaf isai isas isat isca iscc isci iscs isct isfa isfc isgc isia isic isis isit issa issc issf issi isss ista istc isti ists itaa itac itaf itai itas itat itcs itfa itgc itgs itia itic itif itis itsa itsf itsi itta ittf s-ic s-ii sa-c saac saaf saag saas saat saca sacc saci sacs sact safa safc saff safi saft saga sagg sagi sags sagt saia saic saif sais sait sasa sasc sasf sasi sass sast sata satc satg sati sats satt scaa scac scaf scag scai scas scat sccc sccs scct scfa scfc scfg scfi scgs sci- scia scic scif scis scit scsa scsc scsi scst sctc scts sfas sfca sfcc sfcg sfcs sffc sfia sfss sfts sgaa sgac sgca sgcg sggg sggs sgic sgss sgta sgts siaa siac siaf siag siai sias siat sica sicc sici sics sifa siff sift siga sigg sigi sigs siit sisa sisc sisi siss sist sit- sita sitc siti sits sitt ssaa ssac ssas ssat ssca sscc ssci sscs ssfc ssgs ssgt ssis ssit sssa sssc sssf sssi ssss ssta sstc ssts stac stag stai stas stat stca stcc stcs stfc stia stic stif stig stis stit stsf stsi stss sttc taa- taaf taag taas taat taca tacc taci tacs tact tafa tafc taff tafi taft taga tagg tagi tags taia taig tais tait tasa tasc tasi tass tast tata tati tats tatt tcca tccc tcfc tcfg tcga tctc tcts tfca tfsi tfss tftc tgcc tgfa tgif tgtc tgts tiaa tiaf tias tica ticc tics tifa tiff tift tiga tigi tigs tiit tisa tisi tiss tist tita titc titi tits titt tsaa tsai tsat tsca tscc tscg tsfc tsgt tsia tsig tsis tssa tssf tssg tssi tsst tstc tsts ttfa ttfc ttff ttss tttt