a-a a-c aaa aac aah aao aap aar aax aay ac- aca acc ach aco acp acr acx acy aha ahc ahh aho ahp ahr ahx ahy aoa aoc aoh aoo aop aor aox ap- apa apc aph apo app apr apx apy ar- ara arc arh aro arp arr arx ary ax- axa axh axo axp axr axx ay- aya ayc ayh ayo ayp ayr ayx c-- caa cac cah cao cap car cax cay cca ccc cch cco ccp ccr ccx ch- cha chc chh cho chp chr chx chy co- coa coc coh coo cop cor cox coy cpa cpc cph cpo cpp cpr cpx cra crc crh cro crp crr crx cry cxc cxh cxo cxp cxr cxx cya cyc cyo cyp cyr haa hac hah hao hap har hax hay hca hcc hch hco hcp hcr hcy hha hhc hhh hho hhp hhr hhy hoa hoc hoh hoo hop hor hox hoy hpa hpc hph hpo hpp hpr hpy hr- hra hrc hrh hro hrp hrr hxc hy- hya hyc hyh hyo hyp hyr hyy oaa oac oah oao oap oar oax oc- oca occ och oco ocp ocr ocx oha ohc ohh oho ohp ohr oo- ooa ooc ooh ooo oop oor oox op- opa opc oph opo opp opr opx opy or- ora orc orh oro orp orr orx ory ox- oxa oxc oxo oxx oxy oya oyo p-p paa pac pah pao pap par pax pay pca pcc pch pco pcp pcr pcx pha phc pho php phr phx phy poa poc poh poo pop por pox poy ppa ppc pph ppo ppp ppr ppx pra prc prh pro prp prr prx pry pxc pxr py- pya pyc pyo pyr pyx ra- raa rac rah rao rap rar rax ray rca rcc rch rco rcp rcr rcx rh- rha rhc rhh rho rhp rhr roa roc roh roo rop ror rox roy rpa rpc rph rpo rpp rpr rpx rra rrc rrh rrp rrr rxp rxr ry- rya ryc ryo ryr ryy xaa xac xap xar xch xcp xcr xcx xhp xoa xoc xoo xop xor xox xpa xpc xpo xpp xrc xrx xry xxo xxp xxx xxy xyp xyr xyy yaa yac yah yao yap yar yax yay yca ycc ych yco ycp ycy yha yhc yoc yoo yop yor yox yoy ypa ypo yra yrc yro yrp yxa yxy yyc yyy