-ana aaaa aaan aaap aaar aaav aana aanp aapa aara aarp aava ana- anaa anan anap anar anna anp- anpa anpp anpr apan apap apar apna appa appr apra aprn aran arap arar arna arpa arr- arra arrr arva arvn avan avar avra avva naaa naan naar nan- nana nann nanp napa napp nara narn narp narr nava navr navv nnnn nnpr npap nppa npra nrap nrna nrpn paan paap paar pan- pana pann papa papp papr par- para parn parp parr parv pava pnar pnpp pnra ppan ppap ppar pppa pppn pppp pran prar prna prnp pvpa raan rana rann rapa rapp rara rava rnpv rppn rrna rrrr vaan vaar vana vann vapa vara varn varp varr vava vnav vran vrap vrav vrnn vrpn vvvv