-ana aaaa aaan aaap aaas aana aanp aaon aaoo aapa aapo aaps aasa aass ana- anaa anan anao anap anas anaz anna anno anns ano- anoa anon anos anp- anpa anpp ansa anso ansp anza aono aopo aosp aoss apan apao apap apas apna apno apo- apon apoo apop apos appa apps apsa apso apss asaa asan asao asap asas asno ason asop asos aspa aspo asps assa assn asso assp asss aza- azan azap azas azaz azna azo- azon azoo azos azza azzo naaa naan naas nan- nana nann nano nanp nans naos napa napo napp naps nas- nasa naso nasp nass naza nazo nazz nnnn nnos nnsa nnss noaa noap non- nona nonn nono nons noo- noon nooo noop noos nops nos- nosa noss npap npas nppa npsa npss nsaa nsna nsos nsps nssa nsso nssp nsss nzpp oaps oass onan onas onna onno onon onos onoz onso onza onzo ooaa oona oons oooo ooos oops oosa opan opap opo- opon opos oppa oppo opps opsa osan osap osas osno osoo osos ossa osso ozan ozna ozon paan paap paas paaz pan- pana pann pano pans paon paos papa papp paps pasa paso pasp pass paza pazo pnas pnon pnpo pnpp poan poas pona pono ponp pons poon poop poos pop- popa popo popp pops posa posn poso poss pozo ppan ppap ppoa ppos pppa pppn pppo pppp ppps ppss psap psas psna psoa pson psos pspp psps pssa psso s-os saan saap saas saaz sana sann sano sans sanz saon saos sapa sapo sapp saps sasa saso sass saza snap snas snns snoa snoo snop snos snpo snpp soan soap soas soaz son- sona sono sons soon soop soos sopa sopo sopp sops sosa soso soss soz- soza sp-a span spap spas spaz spns spon spoo spop spos spps spsa spso spsp spss ssaa ssan ssao ssap ssas ssns ssop sspa sspo ssps sssa ssss szss zaan zana zann zano zans zapp zaps zaza znap zoan zon- zona zons zoo- zoon zoop zoos zopa zoso zoss zoza zozo zsss zzzs zzzz