-ic a-a a-c a-i aaa aac aai aao aap aay ac- aca acc aci aco acp acy ai- aia aic aii aio aip aiy aoa aoc aoi aoo aop ap- apa apc api apo app apy ay- aya ayc ayi ayo ayp c-- caa cac cai cao cap cay cca ccc cci cco ccp ci- cia cic cii cio cip co- coa coc coi coo cop coy cpa cpc cpi cpo cpp cya cyc cyo cyp ia- iaa iac iai iao iap ica icc ici ico icp icy iia iic iii iio iip io- ioa ioc ioi ioo iop ipa ipc ipi ipo ipp ipy iya iyc iyo iyy o-i oaa oac oai oao oap oc- oca occ oci oco ocp oia oic oii oio oip oo- ooa ooc ooi ooo oop op- opa opc opi opo opp opy oya oyi oyo p-p paa pac pai pao pap pay pca pcc pci pco pcp pia pic pii pio pip poa poc poi poo pop poy ppa ppc ppi ppo ppp py- pya pyc pyo yaa yac yai yao yap yay yca ycc yci yco ycp ycy yii yio yip yoc yoi yoo yop yoy ypa ypo yyc yyy