a-a aaa aan aao aap aas aax aay an- ana ann ano anp ans anx any aoa aon aoo aop aos aox ap- apa apn apo app aps apx apy as- asa asn aso asp ass asx asy ax- axa axn axo axp axs axx ay- aya ayn ayo ayp ays ayx naa nan nao nap nas nax nay nna nnn nno nnp nns no- noa non noo nop nos nox noy npa npn npo npp nps nsa nsn nso nsp nss nsx nsy nya nyn nyo nyp nys nyx nyy oaa oan oao oap oas oax on- ona onn ono onp ons onx ony oo- ooa oon ooo oop oos oox op- opa opn opo opp ops opx opy os- osa osn oso osp oss osx ox- oxa oxn oxo oxx oxy oya oyo oys p-p paa pan pao pap pas pax pay pn- pna pnn pno pnp pns pnx pny poa pon poo pop pos pox poy ppa ppn ppo ppp pps ppx ps- psa psn pso psp pss psx psy pxs py- pya pyn pyo pys pyx saa san sao sap sas sax say sna snn sno snp sns sny soa son soo sop sos sox soy spa spn spo spp sps spx spy ss- ssa ssn sso ssp sss ssx sxn sxs sy- sya syn syp sys syx xaa xan xap xas xna xno xns xoa xon xoo xop xos xox xpa xpn xpo xpp xps xsa xsp xss xxo xxp xxx xxy xyp xyy yaa yan yao yap yas yax yay yna ynn ynp yns yny yon yoo yop yos yox yoy ypa ypo yps ysa yso ysp yss ysy yxa yxy yys yyy