a-a a-c aaa aac aah aap aar aax aay ac- aca acc ach acp acr acx acy aha ahc ahh ahp ahr ahx ahy ap- apa apc aph app apr apx apy ar- ara arc arh arp arr arx ary ax- axa axh axp axr axx ay- aya ayc ayh ayp ayr ayx c-- caa cac cah cap car cax cay cca ccc cch ccp ccr ccx ch- cha chc chh chp chr chx chy cpa cpc cph cpp cpr cpx cra crc crh crp crr crx cry cxc cxh cxp cxr cxx cya cyc cyp cyr haa hac hah hap har hax hay hca hcc hch hcp hcr hcy hha hhc hhh hhp hhr hhy hpa hpc hph hpp hpr hpy hr- hra hrc hrh hrp hrr hxc hy- hya hyc hyh hyp hyr hyy p-p paa pac pah pap par pax pay pca pcc pch pcp pcr pcx pha phc php phr phx phy ppa ppc pph ppp ppr ppx pra prc prh prp prr prx pry pxc pxr py- pya pyc pyr pyx ra- raa rac rah rap rar rax ray rca rcc rch rcp rcr rcx rh- rha rhc rhh rhp rhr rpa rpc rph rpp rpr rpx rra rrc rrh rrp rrr rxp rxr ry- rya ryc ryr ryy xaa xac xap xar xch xcp xcr xcx xhp xpa xpc xpp xrc xrx xry xxp xxx xxy xyp xyr xyy yaa yac yah yap yar yax yay yca ycc ych ycp ycy yha yhc ypa yra yrc yrp yxa yxy yyc yyy