-ana aaaa aaan aaap aaas aana aanp aapa aaps aasa aass ana- anaa anan anap anas anna anns anp- anpa anpp ansa ansp apan apap apas apna appa apps apsa apss asaa asan asap asas aspa asps assa assn assp asss naaa naan naas nan- nana nann nanp nans napa napp naps nas- nasa nasp nass nnnn nnsa nnss npap npas nppa npsa npss nsaa nsna nsps nssa nssp nsss paan paap paas pan- pana pann pans papa papp paps pasa pasp pass pnas pnpp ppan ppap pppa pppn pppp ppps ppss psap psas psna pspp psps pssa saan saap saas sana sann sans sapa sapp saps sasa sass snap snas snns snpp sp-a span spap spas spns spps spsa spsp spss ssaa ssan ssap ssas ssns sspa ssps sssa ssss