a-a a-c aaa aac aan aao aap aas aay ac- aca acc acn aco acp acs acy an- ana anc ann ano anp ans any aoa aoc aon aoo aop aos ap- apa apc apn apo app aps apy as- asa asc asn aso asp ass asy ay- aya ayc ayn ayo ayp ays c-- caa cac can cao cap cas cay cca ccc ccn cco ccp ccs cn- cna cnc cnn cno cnp cns cny co- coa coc con coo cop cos coy cpa cpc cpn cpo cpp cps csa csc csn cso csp css csy cya cyc cyn cyo cyp cys naa nac nan nao nap nas nay nca ncc ncn nco ncp ncs nna nnc nnn nno nnp nns no- noa noc non noo nop nos noy npa npc npn npo npp nps nsa nsc nsn nso nsp nss nsy nya nyc nyn nyo nyp nys nyy oaa oac oan oao oap oas oc- oca occ ocn oco ocp ocs on- ona onc onn ono onp ons ony oo- ooa ooc oon ooo oop oos op- opa opc opn opo opp ops opy os- osa osc osn oso osp oss oya oyo oys p-p paa pac pan pao pap pas pay pca pcc pcn pco pcp pcs pn- pna pnc pnn pno pnp pns pny poa poc pon poo pop pos poy ppa ppc ppn ppo ppp pps ps- psa psc psn pso psp pss psy py- pya pyc pyn pyo pys saa sac san sao sap sas say sca scc scn sco scp scs sna snc snn sno snp sns sny soa soc son soo sop sos soy spa spc spn spo spp sps spy ss- ssa ssc ssn sso ssp sss sy- sya syc syn syp sys yaa yac yan yao yap yas yay yca ycc yco ycp ycs ycy yna ynn ynp yns yny yoc yon yoo yop yos yoy ypa ypo yps ysa ysc yso ysp yss ysy yyc yys yyy