-ic a-a a-c a-i aaa aac aah aai aan aao aap aar aax ac- aca acc ach aci acn aco acp acr acx aha ahc ahh ahi ahn aho ahp ahr ahx ai- aia aic aih aii ain aio aip air aix an- ana anc anh ani ann ano anp anr anx aoa aoc aoh aoi aon aoo aop aor aox ap- apa apc aph api apn apo app apr apx ar- ara arc arh ari arn aro arp arr arx ax- axa axh axi axn axo axp axr axx c-- caa cac cah cai can cao cap car cax cca ccc cch cci ccn cco ccp ccr ccx ch- cha chc chh chi chn cho chp chr chx ci- cia cic cih cii cin cio cip cir cix cn- cna cnc cnh cni cnn cno cnp cnr cnx co- coa coc coh coi con coo cop cor cox cpa cpc cph cpi cpn cpo cpp cpr cpx cra crc crh cri crn cro crp crr crx cxc cxh cxi cxo cxp cxr cxx h-i haa hac hah hai han hao hap har hax hca hcc hch hci hcn hco hcp hcr hha hhc hhh hhi hhn hho hhp hhr hia hic hih hii hin hio hip hir hix hna hnc hnh hnn hno hoa hoc hoh hoi hon hoo hop hor hox hpa hpc hph hpi hpn hpo hpp hpr hr- hra hrc hrh hri hrn hro hrp hrr hxc ia- iaa iac iah iai ian iao iap iar ica icc ich ici icn ico icp icr iha ihc ihh ihi ihn iho ihp ihr iia iic iih iii iin iio iip iir iix in- ina inc inh ini inn ino inp inr inx io- ioa ioc ioh ioi ion ioo iop ior ipa ipc ipi ipn ipo ipp ipr ipx ir- ira irc iri irn iro irp irr irx ixc ixi ixn n-i naa nac nah nai nan nao nap nar nax nca ncc nch nci ncn nco ncp ncr ncx nha nhc nhh nhi nhn nhp nhr nia nic nih nii nin nio nip nir nix nna nnc nnh nni nnn nno nnp no- noa noc noh noi non noo nop nor nox npa npc nph npi npn npo npp npr nra nrc nri nrn nro nrp nrr nrx nxc o-i oaa oac oah oai oan oao oap oar oax oc- oca occ och oci ocn oco ocp ocr ocx oha ohc ohh ohi ohn oho ohp ohr oia oic oii oin oio oip oir on- ona onc onh oni onn ono onp onr onx oo- ooa ooc ooh ooi oon ooo oop oor oox op- opa opc oph opi opn opo opp opr opx or- ora orc orh ori orn oro orp orr orx ox- oxa oxc oxi oxn oxo oxx p-p paa pac pah pai pan pao pap par pax pca pcc pch pci pcn pco pcp pcr pcx pha phc phi phn pho php phr phx pia pic pih pii pin pio pip pir pix pn- pna pnc pnh pni pnn pno pnp pnr pnx poa poc poh poi pon poo pop por pox ppa ppc pph ppi ppn ppo ppp ppr ppx pra prc prh pri prn pro prp prr prx pxc pxr ra- raa rac rah rai ran rao rap rar rax rca rcc rch rci rcn rco rcp rcr rcx rh- rha rhc rhh rhi rhn rho rhp rhr ria ric rih rii rin rio rip rir rix rna rnc rnh rni rnn rno rnp rnr roa roc roh roi ron roo rop ror rox rpa rpc rph rpi rpn rpo rpp rpr rpx rra rrc rrh rri rrn rrp rrr rxp rxr xaa xac xan xap xar xch xci xcp xcr xcx xhp xia xic xii xin xio xix xna xnc xno xoa xoc xoi xon xoo xop xor xox xpa xpc xpn xpo xpp xrc xrx xxi xxo xxp xxx