-ana a-un aaaa aaac aaad aaan aaar aaca aacc aacd aacn aacr aacu aada aadc aadu aana aand aara aarc aard aaru acaa acac acad acan acar acca accc accd accu acda acdc acr- acra acrc acrr acu- acur adaa adac adad adan adar adcc adda addc addd addn addr addu adna adra adua adun adur ana- anaa anac anad anan anar anau anca ancc and- anda andr anna anrc anua anun arac arad aran arar arau arc- arca arda ardc ardu arna arnd arr- arra arrc arrr arru arua arud arun auaa auca audc auna aur- aura aurd c-cd caaa caac caan cac- caca cacc cacr cada cadc cadd cadr cadu cana canc cand cann cara carc card carn carr cauc ccaa ccac ccad ccar ccca cccc cccu ccdc ccdn ccdr ccna ccnc ccnr ccnu ccra ccrc ccuc cd-r cdaa cdac cdad cdda cddr cdna cdnc cnaa cnac cnda cndd cnna cnrc cnrr crac cran crar crau crca crcc crcr crda crdc crna crud crun cuan cuau cuca cucc cucn cuda cuna cund cura curd curn curr d-na daad daan daar daau daca dada dadu dana dand dann danr danu dara darc dard darn darr daru daud daun daur dcca dccc dccu dcra dddd ddrc dnaa dnac dnad dnan dnrc draa drac drad drar drau drca drda drna drra drua druu duaa duad duan duar duca duda dudd dudu duna dunc dunn dura durn duru duur naaa naac naad naan naar naca nacc nacd nada nadc nadr nadu nan- nana nand nann nanu nara narc nard narn narr naru naur ncaa ncac ncar ncca nccc nccn nccr nccu ncda ncdc ncdn ncdr ncdu ncna ncnc ncnd ncra ncrc ncua ndaa ndau ndcc ndna ndrc nnnn nrca nrdc nrna nrrc nrrd nuan nuca nucu nuda nudc nudd nuna nunc nunn nura nurc nurd nurn nurr nuru raad raan rac- raca racc racu rada radc radd radr radu rana ranc rand rann rara raua rauc raud raun rcac rccc rcdc rcnr rcrd rdac rdna rndc rrad rrna rrrr rrun ruad ruan ruca ruda rudd runa runc rund runn rura rurc rurd ruru ruud ruun uaca uarc uaru uaua ucad ucan ucar ucca ucdc ucdd ucrc ucua udaa udad udar udau udca udra udun unaa unac unan unar unau unca uncc unda unna unra urac urad uran urau urca urda urdu urna urra urun urur uuuu