a-ii aaaa aaac aaai aaar aaas aaca aacc aaci aacr aacs aaic aaii aais aara aarc aari aars aasa aasc aasi aass acaa acac acai acar acas acca accc acci accs aci- acia acic acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss aiai aias aica aicc aicr aics aiia aiic aiir aira airi airs airx aisa aisi aisr aixa aixi arac arai arar aras arax arc- arca arci arcs aria arii aris arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asac asai asar asas asc- asca ascc asci ascr ascx asia asic asii asir asis asix asra asrc asrs assa assc assi assr asss axar axi- axia axis caaa caac caas cac- caca cacc caci cacr caia caic cair cais caix cara carc cari carr cars carx casa casc casi casr cass caxa ccaa ccac ccai ccar ccas ccca cccc ccci cccs ccic ccii ccir ccis ccix ccra ccrc ccri ccrs ccsa ccsi ccss ccxi ciaa ciar cias cica cicc cici cicr cics ciia ciii ciis cira circ ciri cirr cirs cis- cisa cisc cisr ciss cixi crac crai crar cras crax crca crcc crcr cria cric cris crsa crss csaa csac csar csas cscc csci cscr cscs csia csir csis csix csra csrc csrs cssa cssr cxii cxix cxxi cxxx iaaa iaac iaai iaas iaca iacc iacr iacs iaia iais iara iarc iars iasa iasc iasi iasr icaa icac icai icar icas icca iccc icci iccr iccs icis icra icrc icrr icrs icsa icsc icsi icsr icss iiac iias iica iiii iiis iira iirc iirs iisc iisi iisr irac irai irar iras irca ircc ircs ircx iri- iria iric iris irix irra irrc irri irrs irsa is-a isac isai isar isas isca iscc isci iscr iscs isia isic isis isra isri issa issc issi issr isss ixia ixxi raas rac- raca racc raci racs raia raic raii rair rais raix rara rari rars rasa rasc rasi rass raxa raxi rcac rcas rccc rccs rcic rcis rcsa rcsc rcsi rcss riaa riai rias rica ricc rics riia riis riri rirs risa risc risi riss rixc rras rrrr rsaa rsai rscc rscs rsis rssa s-ic s-ii sa-c sa-x saac saar saas saca sacc saci sacr sacs saia saic sair sais saix sara sarc sari sarr sars sasa sasc sasi sass saxa saxi scaa scac scai scar scas sccc sccs sci- scia scic scir scis scr- scra scrc scri scrs scsa scsc scsi scsr siaa siac siai sias sica sicc sici sics sira sirc siri sirr sirs sisa sisc sisi siss sixa sixx sras srcc sris ssaa ssac ssas ssca sscc ssci sscs ssis ssra ssrc ssri ssrs sssa sssc sssi ssss xaar xara xcas xcii xcis xcri xica xics xiii xisi xixi xxii xxix xxxi xxxx