a-ii aaaa aaac aaaf aaai aaar aaas aaca aacc aacf aaci aacr aacs aafa aafc aaff aafi aaic aaii aais aara aarc aari aars aasa aasc aasf aasi aass acaa acac acai acar acas acca accc accf acci accs acfc acfi acfs aci- acia acic acif acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss afaa afar afca afcc afci afcs affa affc affi affs afia afif afir afis afr- afra afrc afri afrs afsa afsc aiai aias aica aicc aicf aicr aics aiff aifs aiia aiic aiir aira airi airs aisa aisi aisr arac araf arai arar aras arc- arca arci arcs arfa arfc arff arfs aria arif arii aris arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asac asaf asai asar asas asc- asca ascc asci ascr asfa asfi asia asic asif asii asir asis asra asrc asrs assa assc assi assr asss caaa caac caaf caas cac- caca cacc caci cacr cafa cafc caff cafs caia caic cair cais cara carc carf cari carr cars casa casc casi casr cass ccaa ccac ccaf ccai ccar ccas ccca cccc cccf ccci cccs ccfa ccfc ccff ccfi ccic ccii ccir ccis ccra ccrc ccrf ccri ccrs ccsa ccsf ccsi ccss cfaa cfac cfar cfca cfcf cfcs cffr cfia cfra cfsa cfsi ciaa ciar cias cica cicc cici cicr cics cifa ciff cifs ciia ciii ciis cira circ ciri cirr cirs cis- cisa cisc cisr ciss crac craf crai crar cras crca crcc crcr crfc crfs cria cric crif cris crsa crss csaa csac csar csas cscc cscf csci cscr cscs csfc csfr csia csir csis csra csrc csrs cssa cssr faaa faac faas faca facc facs fafa fafc faff fafi fair fais fara farc farr fars fasa fasc fasi fass fcar fcas fcca fccf fcic fcii fcra fcsc ffar ffcc ffff ffii ffrr ffsa ffss fiaa fiac fiaf fiar fias fica ficc fics fifa fifc fiff fifi fiii fira firs fisa fisc fisi fiss frac fras frcc frfc fria fric fris frsc fsai fsas fscc fsfi fsia fsra fssa fssc fssf iaaa iaac iaai iaas iaca iacc iacr iacs iafc iaff iaia iais iara iarc iars iasa iasc iasi iasr icaa icac icaf icai icar icas icca iccc iccf icci iccr iccs icis icra icrc icrf icrr icrs icsa icsc icsi icsr icss ifaa ifac ifar ifas ific ifis ifra ifrf ifri ifsa ifsc iiac iias iica iifa iiii iiis iira iirc iirs iisc iisi iisr irac iraf irai irar iras irca ircc ircs iri- iria iric iris irra irrc irri irrs irsa irsf is-a isac isaf isai isar isas isca iscc isci iscr iscs isfa isfc isia isic isis isra isri issa issc issf issi issr isss raaf raas rac- raca racc raci racs rafa rafc raff rafi raia raic raif raii rair rais rara rarf rari rars rasa rasc rasi rass rcac rcaf rcas rccc rccs rcfc rcic rcis rcsa rcsc rcsi rcss rffc rfic riaa riai rias rica ricc rics rifa riff rifs riia riif riis riri rirs risa risc risi riss rras rrfc rrif rrrr rsaa rsaf rsai rscc rscs rsfc rsis rssa s-ic s-ii sa-c saac saaf saar saas saca sacc saci sacr sacs safa safc saff safi safr saia saic saif sair sais sara sarc sarf sari sarr sars sasa sasc sasf sasi sass scaa scac scaf scai scar scas sccc sccs scfa scfc scfi sci- scia scic scif scir scis scr- scra scrc scri scrs scsa scsc scsi scsr sfar sfas sfca sfcc sfcs sffc sfia sfra sfrc sfss siaa siac siaf siai sias sica sicc sici sics sifa siff sifr sira sirc sirf siri sirr sirs sisa sisc sisi siss sraf sras srcc srfc srfi sris ssaa ssac ssas ssca sscc ssci sscs ssfc ssis ssra ssrc ssri ssrs sssa sssc sssf sssi ssss