-ana -vac aaaa aaac aaan aaar aaas aaav aaca aacc aacn aacr aacs aacv aana aara aarc aars aasa aasc aass aava acaa acac acan acar acas acca accc accs acr- acra acrc acrr acrs acrv acsa acsc acss acvs acvv ana- anaa anac anan anar anas anca ancc anna anns anrc ansa arac aran arar aras arc- arca arcs arna arns arr- arra arrc arrr arrs ars- arsa arsc arva arvn asaa asac asan asar asas asc- asca ascc ascr asnc asra asrc asrs assa assc assn assr asss asva asvs avan avar avas avcc avra avva caaa caac caan caas cac- caca cacc cacr cana canc cann cans cara carc carn carr cars casa casc casr cass cava cavs ccaa ccac ccar ccas ccca cccc cccs cccv ccna ccnc ccnr ccns ccra ccrc ccrs ccsa ccsn ccss ccvs cnaa cnac cnas cnna cnrc cnrr cnsa cnss crac cran crar cras crca crcc crcr crna crns crsa crss csaa csac csar csas csav cscc cscr cscs csra csrc csrs cssa cssr cvac cvar cvas cvca cvcc cvra cvrr cvss naaa naac naan naar naas naca nacc nacs nan- nana nann nans nara narc narn narr nars nas- nasa nasc nasr nass nasv nava navr navs navv ncaa ncac ncar ncca nccc nccn nccr nccs ncna ncnc ncra ncrc ncsa ncsc ncss ncvs nnnn nnsa nnss nras nrca nrcs nrna nrrc nrsa nrsc nrsv nsaa nsac nsar nsca nscc nscs nsna nsnr nsra nsrc nssa nssc nssr nsss nvcc nvcs nvss raan raas rac- raca racc racs racv rana ranc rann rans rara rars rasa rasc rass rava rcac rcas rccc rccs rcnr rcsa rcsc rcss rcvr rcvs rnas rncs rras rrna rrrr rsaa rscc rscn rscs rsna rsnn rsnr rssa rv-c rvca sa-c saac saan saar saas saca sacc sacn sacr sacs sana sann sanr sans sara sarc sarn sarr sars sarv sasa sasc sass sava savs scaa scac scan scar scas sccc sccs scna scnr scr- scra scrc scrn scrs scsa scsc scsn scsr snar snas snav snca sncc snns snra snrs sras srcc srna srnn srvn ssaa ssac ssan ssas ssca sscc sscs ssns ssra ssrc ssrs sssa sssc ssss svan svar svcc svcs svns svsc vaan vaar vaas vaca vacs vana vanc vann vans vara varn varr vars vas- vasa vass vava vavs vcrs vnav vrac vran vras vrav vrnn vrsa vsan vssc vvvv