-ana a-un aaaa aaac aaan aaar aaca aacc aacn aacr aacu aana aara aarc aaru acaa acac acan acar acca accc accu acr- acra acrc acrr acu- acur 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 auaa auca auna aur- aura caaa caac caan cac- caca cacc cacr cana canc cann cara carc carn carr cauc ccaa ccac ccar ccca cccc cccu 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 naaa naac naan naar naca nacc nan- nana nann nanu nara narc narn narr naru naur 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 raan rac- raca racc racu rana ranc rann rara raua rauc raun rcac rccc rcnr rrna rrrr rrun ruan ruca runa runc runn rura rurc ruru ruun uaca uarc uaru uaua ucan ucar ucca ucrc ucua unaa unac unan unar unau unca uncc unna unra urac uran urau urca urna urra urun urur uuuu