-ic a-a a-c a-i aaa aac aah aai aan aao aap aax ac- aca acc ach aci acn aco acp acx aha ahc ahh ahi ahn aho ahp ahx ai- aia aic aih aii ain aio aip aix an- ana anc anh ani ann ano anp anx aoa aoc aoh aoi aon aoo aop aox ap- apa apc aph api apn apo app apx ax- axa axh axi axn axo axp axx c-- caa cac cah cai can cao cap cax cca ccc cch cci ccn cco ccp ccx ch- cha chc chh chi chn cho chp chx ci- cia cic cih cii cin cio cip cix cn- cna cnc cnh cni cnn cno cnp cnx co- coa coc coh coi con coo cop cox cpa cpc cph cpi cpn cpo cpp cpx cxc cxh cxi cxo cxp cxx h-i haa hac hah hai han hao hap hax hca hcc hch hci hcn hco hcp hha hhc hhh hhi hhn hho hhp hia hic hih hii hin hio hip hix hna hnc hnh hnn hno hoa hoc hoh hoi hon hoo hop hox hpa hpc hph hpi hpn hpo hpp hxc ia- iaa iac iah iai ian iao iap ica icc ich ici icn ico icp iha ihc ihh ihi ihn iho ihp iia iic iih iii iin iio iip iix in- ina inc inh ini inn ino inp inx io- ioa ioc ioh ioi ion ioo iop ipa ipc ipi ipn ipo ipp ipx ixc ixi ixn n-i naa nac nah nai nan nao nap nax nca ncc nch nci ncn nco ncp ncx nha nhc nhh nhi nhn nhp nia nic nih nii nin nio nip nix nna nnc nnh nni nnn nno nnp no- noa noc noh noi non noo nop nox npa npc nph npi npn npo npp nxc o-i oaa oac oah oai oan oao oap oax oc- oca occ och oci ocn oco ocp ocx oha ohc ohh ohi ohn oho ohp oia oic oii oin oio oip on- ona onc onh oni onn ono onp onx oo- ooa ooc ooh ooi oon ooo oop oox op- opa opc oph opi opn opo opp opx ox- oxa oxc oxi oxn oxo oxx p-p paa pac pah pai pan pao pap pax pca pcc pch pci pcn pco pcp pcx pha phc phi phn pho php phx pia pic pih pii pin pio pip pix pn- pna pnc pnh pni pnn pno pnp pnx poa poc poh poi pon poo pop pox ppa ppc pph ppi ppn ppo ppp ppx pxc xaa xac xan xap xch xci xcp xcx xhp xia xic xii xin xio xix xna xnc xno xoa xoc xoi xon xoo xop xox xpa xpc xpn xpo xpp xxi xxo xxp xxx