-vac a-ii a-iv aaaa aaac aaai aaar aaav aaca aacc aaci aacr aact aacv aaic aaii aara aarc aari aart aata aatc aatt aava ac-t acaa acac acai acar acat acca accc acci acct aci- acia acic acir acr- acra acrc acri acrr acrv acta actc acti actt actv acvv aiai aica aicc aicr aiia aiic aiir aira airi airt aita aiti aitr aitt aiva arac arai arar arat arc- arca arci arct aria arii arit arr- arra arrc arri arrr arrt arta artc arti artr artv arva arvi at-t ataa atac atai atar atat atca atcc atcr atia atic atit atra atrc atri atta atti attr atvi avar avat avcc avia avic avit aviv avra avri avva caaa caac caat cac- caca cacc caci cacr caia caic cair cait cara carc cari carr cart cat- cata catc cati catt catv cava cavi ccaa ccac ccai ccar ccat ccca cccc ccci cccv ccic ccii ccir cciv ccra ccrc ccri ccrt cctc cctt cctv ccvi ciaa ciar ciat cica cicc cici cicr cict ciia ciii ciit cira circ ciri cirr cirt cita citi citt citv civa civc crac crai crar crat crca crcc crcr cria cric crit crrt crtc crtv ctca ctia ctic ctrc ctta ctvt cvac cvar cvca cvcc cvii cvra cvrr iaaa iaac iaai iaat iaca iacc iacr iact iaia iara iarc iart iata iatc iati iava icaa icac icai icar icat icca iccc icci iccr icct icra icrc icrr icrt icta ictv iiac iica iiii iiit iira iirc iita iitr iitt irac irai irar irca ircc iri- iria iric irra irrc irri irta irti itaa itac itai itar itat itia itic itra itri itta ivai ivar ivic raat rac- raca racc raci ract racv raia raic raii rair rait rara rari rata rati ratt rava ravi rcac rccc rcic rctc rcti rctv rcvr riaa riai riat rica ricc rict riia riri rita riti ritt riva rrat rrrr rtai rtca rtcc rtva rtvi rv-c rvca taa- taar taat taca tacc taci tact tacv taia tair tait tara tarc tari tarr tart tata tati tatr tatt tatv tava tavi tcca tccc tctc tiaa tiar tica ticc tiit tira tiri tirr tita titc titi titt tiva tivi traa trac trai trat trav trca trcc tri- tria tric trit trra trtc trtr tttt tvac tvri tvrr tvtv vaar vaat vaca vaia vair vait vara vari varr vart vata vati vatt vava vcat vcci viar vic- vica vici vict viii vira virc viri virr virt vita viti vitt viva vivi vrac vrai vrav vrci vria vt-i vtac vvvv