a-ii aaaa aaac aaai aaas aaca aacc aaci aaco aacs aaic aaii aais aaoo aasa aasc aasi aass acaa acac acai acas acca accc acci acco accs aci- acia acic acis acoa acos acsa acsc acsi acss aiai aias aica aicc aics aiia aiic aioc aioi aisa aisi aiso aixa aixi aoca aocs aoss asaa asac asai asao asas asc- asca ascc asci asco ascx asia asic asii asio asis asix asoc asoi asos assa assc assi asso asss axi- axia axis axo- axoa axos axxo caaa caac caas cac- caca cacc caci caco caia caic caio cais caix caoi caos casa casc casi caso cass caxa ccaa ccac ccai ccas ccca cccc ccci cccs ccic ccii ccis ccix ccoc ccsa ccsi ccss ccxi ciaa ciao cias cica cicc cici cico cics ciia ciii ciis cios cis- cisa cisc ciss cixi coai coas coax coca coco coia cois coix coos cosa cosc cosi coso coss coxa csaa csac csao csas cscc csci csco cscs csia csio csis csix csos csox cssa cxii cxix cxxi cxxx iaaa iaac iaai iaas iaca iacc iacs iaia iais iasa iasc iasi iaso icaa icac icai icao icas icca iccc icci icco iccs icis icoc icos icsa icsc icsi icss iiac iias iica iiii iiio iiis iioi iioo iios iisc iisi ioci ioii ioio iooi iooo ioos ioso is-a isac isai isao isas isca iscc isci isco iscs isia isic isis iso- isoc isos issa issc issi isso isss ixia ixos ixxi oaic oais oasc oasi oass ocac ocas occa occc occi ocis ocos ocsa oici oiii oios oisc ooaa ooia oooo ooos oosa oosi osai osas osca oscc osci osco osia osii osis osoi osoo osos ossa ossi osso oxa- oxi- oxia oxic oxis oxo- oxos oxox oxsi oxxo s-ic s-ii s-os sa-c sa-x saac saas saca sacc saci saco sacs saia saic sais saix saoi saos sasa sasc sasi saso sass saxa saxi saxo scaa scac scai scas sccc sccs sci- scia scic scio scis scoo scox scsa scsc scsi scso siaa siac siai sias sica sicc sici sico sics sios siox sisa sisc sisi siss sixa sixo sixx soas soca soci soco socs socx soia soic sois soos sosa sosi soso soss soxs ssaa ssac ssao ssas ssca sscc ssci sscs ssis ssoc sssa sssc sssi ssss xaos xcas xcii xcis xiao xica xico xics xiii xisi xixi xoca xoco xois xosa xoxo xxii xxix xxxi xxxo xxxx