-ic a-a a-c a-i aaa aac aai aao aap aar aax aay ac- aca acc aci aco acp acr acx acy ai- aia aic aii aio aip air aix aiy aoa aoc aoi aoo aop aor aox ap- apa apc api apo app apr apx apy ar- ara arc ari aro arp arr arx ary ax- axa axi axo axp axr axx ay- aya ayc ayi ayo ayp ayr ayx c-- caa cac cai cao cap car cax cay cca ccc cci cco ccp ccr ccx ci- cia cic cii cio cip cir cix co- coa coc coi coo cop cor cox coy cpa cpc cpi cpo cpp cpr cpx cra crc cri cro crp crr crx cry cxc cxi cxo cxp cxr cxx cya cyc cyo cyp cyr ia- iaa iac iai iao iap iar ica icc ici ico icp icr icy iia iic iii iio iip iir iix io- ioa ioc ioi ioo iop ior ipa ipc ipi ipo ipp ipr ipx ipy ir- ira irc iri iro irp irr irx iry ixc ixi ixy iya iyc iyo iyr iyy o-i oaa oac oai oao oap oar oax oc- oca occ oci oco ocp ocr ocx oia oic oii oio oip oir oo- ooa ooc ooi ooo oop oor oox op- opa opc opi opo opp opr opx opy or- ora orc ori oro orp orr orx ory ox- oxa oxc oxi oxo oxx oxy oya oyi oyo p-p paa pac pai pao pap par pax pay pca pcc pci pco pcp pcr pcx pia pic pii pio pip pir pix poa poc poi poo pop por pox poy ppa ppc ppi ppo ppp ppr ppx pra prc pri pro prp prr prx pry pxc pxr py- pya pyc pyo pyr pyx ra- raa rac rai rao rap rar rax ray rca rcc rci rco rcp rcr rcx ria ric rii rio rip rir rix riy roa roc roi roo rop ror rox roy rpa rpc rpi rpo rpp rpr rpx rra rrc rri rrp rrr rxp rxr ry- rya ryc ryo ryr ryy xaa xac xap xar xci xcp xcr xcx xia xic xii xio xix xoa xoc xoi xoo xop xor xox xpa xpc xpo xpp xrc xrx xry xxi xxo xxp xxx xxy xyp xyr xyy yaa yac yai yao yap yar yax yay yca ycc yci yco ycp ycy yii yio yip yir yoc yoi yoo yop yor yox yoy ypa ypo yra yrc yro yrp yxa yxy yyc yyy