-ana a-ak aaaa aaac aaan aaar aaas aaca aacc aack aacn aacr aacs aaka aana aara aarc aars aasa aasc aass acaa acac acan acar acas acca accc accs acks acr- acra acrc acrr acrs acsa acsc acss akaa akan akar akas akca akka akna akr- akra aksa ana- anaa anac anak anan anar anas anca ancc ank- anka anna anns anrc ansa arac arak aran arar aras arc- arca arcs arka arks arna arnk arns arr- arra arrc arrk arrr arrs ars- arsa arsc arsk asaa asac asak asan asar asas asc- asca ascc ascr aska askr asks asnc asra asrc asrs assa assc assk assn assr asss caaa caac caan caas cac- caca cacc cack cacr caka cana canc cank cann cans cara carc cark carn carr cars casa casc cask casr cass ccaa ccac ccar ccas ccca cccc cccs ccna ccnc ccnr ccns ccra ccrc ccrs ccsa ccsn ccss ckac ckan ckck ckcs cknc ckns ckrc cksa cnaa cnac cnas cnna cnrc cnrr cnsa cnss crac cran crar cras crca crcc crcr crkc crna crns crsa crss csaa csac csak csar csas cscc cscr cscs cska csks csra csrc csrs cssa cssr kaaa kaak kaan kaar kaas kacc kacs kaka kakc kakk kakn kaks kana kann kans kara kark karn karr kars kas- kasa kasc kask kasn kasr kass kcaa kcac kcar kcas kcca kccc kcck kccr kckc kckk kckn kckr kcnr kcns kcrc kcrn kcrr kcrs kcsa kcsc kcsn kcsr kcss kkaa kkac kkan kkar kkck kkcn kkcr kkcs kkkk kknn kkns kkrc kkrk kkrn kkrr kkrs kksa kksn kksr kkss knaa knac knan knar knas knca knck kncn kncr knkk knnk knnr knns knrk knrs knsa knsc knsk knsn knsr knss krac krak kran krar kras krca krcc krcn krcs krka krkc krkk krkn krkr krks krna krnk krnn krrc krrk krrn krrr krrs krsa krsc krsk krsn krsr krss ksac ksak ksan ksar ksas ksca ksck kscn kscr kscs kska kskk kskn kskr ksks ksna ksnc ksnk ksnn ksnr ksns ksra ksrn ksrr ksrs kssa kssn kssr ksss naaa naac naan naar naas naca nacc nack nacs naka naks nan- nana nann nans nara narc nark narn narr nars nas- nasa nasc nask nasr nass ncaa ncac ncar ncca nccc nccn nccr nccs ncna ncnc ncra ncrc ncsa ncsc ncss nnnn nnsa nnss nras nrca nrcs nrna nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nskk nsna nsnr nsra nsrc nssa nssc nssr nsss raak raan raas rac- raca racc rack racs raka rakk rana ranc rank rann rans rara rark rars rasa rasc rask rass rcac rcas rccc rccs rcnr rcsa rcsc rcss rkss rnas rncs rras rrna rrrr rsaa rscc rscn rscs rsna rsnn rsnr rssa sa-c saac saak saan saar saas saca sacc sack sacn sacr sacs saka sakk saks sana sank sann sanr sans sara sarc sark sarn sarr sars sasa sasc sask sass scaa scac scak scan scar scas sccc sccs sck- scna scnr scr- scra scrc scrn scrs scsa scsc scsn scsr skac skan skar skn- skra skss snak snar snas snca sncc snns snra snrk snrs sras srcc srna srnn ssaa ssac ssan ssas ssca sscc sscs ssns ssra ssrc ssrs sssa sssc ssss