a-a a-c a-z aaa aac aah aao aap aas aay aaz ac- aca acc ach aco acp acs acy acz aha ahc ahh aho ahp ahs ahy ahz aoa aoc aoh aoo aop aos ap- apa apc aph apo app aps apy as- asa asc ash aso asp ass asy asz ay- aya ayc ayh ayo ayp ays ayz az- aza azo azp azs azy azz c-- caa cac cah cao cap cas cay caz cca ccc cch cco ccp ccs ccz ch- cha chc chh cho chp chs chy chz co- coa coc coh coo cop cos coy coz cpa cpc cph cpo cpp cps cpz csa csc csh cso csp css csy csz cya cyc cyo cyp cys cz- czc czo haa hac hah hao hap has hay haz hca hcc hch hco hcp hcs hcy hha hhc hhh hho hhp hhs hhy hhz hoa hoc hoh hoo hop hos hoy hpa hpc hph hpo hpp hps hpy hsa hsc hsh hsp hss hsy hsz hy- hya hyc hyh hyo hyp hys hyy hzo hzp hzs hzy oaa oac oah oao oap oas oc- oca occ och oco ocp ocs ocz oha ohc ohh oho ohp ohs oo- ooa ooc ooh ooo oop oos op- opa opc oph opo opp ops opy os- osa osc osh oso osp oss oya oyo oys oza ozo ozs ozz p-p paa pac pah pao pap pas pay paz pca pcc pch pco pcp pcs pha phc pho php phs phy poa poc poh poo pop pos poy poz ppa ppc pph ppo ppp pps ppz ps- psa psc psh pso psp pss psy py- pya pyc pyo pys pzc pzp saa sac sah sao sap sas say saz sca scc sch sco scp scs sh- sha shc shh sho shp shs shy soa soc soh soo sop sos soy soz spa spc sph spo spp sps spy spz ss- ssa ssc ssh sso ssp sss ssz sy- sya syc syh syp sys sza szp yaa yac yah yao yap yas yay yaz yca ycc ych yco ycp ycs ycy yha yhc yhs yoc yoo yop yos yoy ypa ypo yps ysa ysc yso ysp yss ysy ysz yyc yys yyy yyz yzy zaa zac zah zao zap zas zay zaz zco zcs zha zhc zho zhs zo- zoa zoc zoo zos zpc zpo zpp zsa zsh zsz zzs zzy zzz