-ana -vac a-un aaaa aaac aaan aaar aaav aaca aacc aacn aacr aacu aacv aana aara aarc aaru aava acaa acac acan acar acca accc accu acr- acra acrc acrr acrv acu- acur acvv ana- anaa anac anan anar anau anca ancc anna anrc anua anun arac aran arar arau arc- arca arna arr- arra arrc arrr arru arua arun arva arvn auaa auca auna aur- aura avan avar avcc avra avun avur avva caaa caac caan cac- caca cacc cacr cana canc cann cara carc carn carr cauc cava cavu ccaa ccac ccar ccca cccc cccu cccv ccna ccnc ccnr ccnu ccra ccrc ccuc cnaa cnac cnna cnrc cnrr crac cran crar crau crca crcc crcr crna crun cuan cuau cuca cucc cucn cuna cura curn curr cvac cvar cvca cvcc cvra cvrr naaa naac naan naar naca nacc nan- nana nann nanu nara narc narn narr naru naur nava navr navv ncaa ncac ncar ncca nccc nccn nccr nccu ncna ncnc ncra ncrc ncua nnnn nrca nrna nrrc nuan nuca nucu nuna nunc nunn nura nurc nurn nurr nuru nurv nuva nvcc raan rac- raca racc racu racv rana ranc rann rara raua rauc raun rava rcac rccc rcnr rcuv rcvr rrna rrrr rrun ruan ruca runa runc runn rura rurc ruru ruun ruvu rv-c rvca uaca uarc uaru uaua ucan ucar ucav ucca ucrc ucua unaa unac unan unar unau unca uncc unna unra urac uran urau urca urna urra urun urur urva uuuu uv-a uv-c uvaa uvac uvvu vaan vaar vaca vana vanc vann vanu vara varn varr varu vava vnav vrac vran vrav vrnn vuca vvvv