-ana aaaa aaad aaan aaap aaar aaav aada aana aand aanp aapa aara aard aarp aava adaa adad adan adap adar adda addd addn addr adna adnp adp- adra ana- anaa anad anan anap anar and- anda andr anna anp- anpa anpp anpr apan apap apar apda apdd apna appa appd appr apra aprn arad aran arap arar arda arna arnd arpa arr- arra arrr arva arvn avan avar avda avdp avra avva d-na daad daan daap daar dada dana dand dann danr dapa dapp dara dard darn darp darr dava dddd dnaa dnad dnan dnap dpaa dppa draa drad drap drar drda drna drra drvn dvar dvda dvdr dvra dvrp naaa naad naan naar nada nadp nadr nan- nana nand nann nanp napa napp nara nard narn narp narr nava navr navv ndaa ndna ndnp ndpd ndpr nnnn nnpr npap npda nppa nppd npra nrap nrna nrpn nrrd nvda paan paap paar pada padd pan- pana pand pann papa papp papr par- para pard parn parp parr parv pava pdpa pdpn pdpr pnar pnpp pnra ppad ppan ppap ppar pppa pppd pppn pppp prad pran prar prna prnd prnp prpd prrd pvda pvpa raad raan rada radd radr rana rand rann rapa rapd rapp rara rava rdap rdna rndp rnpv rpdp rppn rrad rrna rrrr vaad vaan vaar vada vana vand vann vapa vara vard varn varp varr vava vnav vpdn vran vrap vrav vrnn vrpn vvvv