-ic a-a a-c a-i aaa aac aaf aai aao aap aay ac- aca acc acf aci aco acp acy af- afa afc aff afi afo afp afy ai- aia aic aif aii aio aip aiy aoa aoc aof aoi aoo aop ap- apa apc apf api apo app apy ay- aya ayc ayf ayi ayo ayp c-- caa cac caf cai cao cap cay cca ccc ccf cci cco ccp cfa cfc cff cfi cfo cfp ci- cia cic cif cii cio cip co- coa coc cof coi coo cop coy cpa cpc cpf cpi cpo cpp cya cyc cyf cyo cyp faa fac faf fai fao fap fay fca fcc fcf fci fco fcp fcy ffa ffc fff ffi ffo ffp ffy fia fic fif fii fip foa foc fof foi foo fop foy fpa fpc fpi fpo fpp fpy fy- fya fyc fyi fyo fyp i-f ia- iaa iac iaf iai iao iap ica icc icf ici ico icp icy ifa ifc iff ifi ifo ifp ify iia iic iif iii iio iip io- ioa ioc iof ioi ioo iop ipa ipc ipf ipi ipo ipp ipy iya iyc iyo iyy o-i oaa oac oaf oai oao oap oc- oca occ ocf oci oco ocp of- ofa ofc off ofi ofo ofp oia oic oif oii oio oip oo- ooa ooc oof ooi ooo oop op- opa opc opf opi opo opp opy oya oyi oyo p-p paa pac paf pai pao pap pay pca pcc pcf pci pco pcp pfa pfc pff pfi pfo pfp pfy pia pic pif pii pio pip poa poc pof poi poo pop poy ppa ppc ppf ppi ppo ppp py- pya pyc pyf pyo yaa yac yaf yai yao yap yay yca ycc ycf yci yco ycp ycy yfa yfc yff yif yii yio yip yoc yof yoi yoo yop yoy ypa ypf ypo yyc yyf yyy