a-a a-c aaa aac aah aao aap aay ac- aca acc ach aco acp acy aha ahc ahh aho ahp ahy aoa aoc aoh aoo aop ap- apa apc aph apo app apy ay- aya ayc ayh ayo ayp c-- caa cac cah cao cap cay cca ccc cch cco ccp ch- cha chc chh cho chp chy co- coa coc coh coo cop coy cpa cpc cph cpo cpp cya cyc cyo cyp haa hac hah hao hap hay hca hcc hch hco hcp hcy hha hhc hhh hho hhp hhy hoa hoc hoh hoo hop hoy hpa hpc hph hpo hpp hpy hy- hya hyc hyh hyo hyp hyy oaa oac oah oao oap oc- oca occ och oco ocp oha ohc ohh oho ohp oo- ooa ooc ooh ooo oop op- opa opc oph opo opp opy oya oyo p-p paa pac pah pao pap pay pca pcc pch pco pcp pha phc pho php phy poa poc poh poo pop poy ppa ppc pph ppo ppp py- pya pyc pyo yaa yac yah yao yap yay yca ycc ych yco ycp ycy yha yhc yoc yoo yop yoy ypa ypo yyc yyy