-ic a-a a-c a-i aaa aac aae aag aah aai aan aao aax ac- aca acc ace acg ach aci acn aco acx aea aec aee aeg aeh aei aen aeo aex ag- aga agc age agg agh agi agn ago agx aha ahc ahe ahg ahh ahi ahn aho ahx ai- aia aic aie aig aih aii ain aio aix an- ana anc ane ang anh ani ann ano anx aoa aoc aoe aog aoh aoi aon aoo aox ax- axa axe axh axi axn axo axx c-- caa cac cae cag cah cai can cao cax cca ccc cce ccg cch cci ccn cco ccx ce- cea cec cee ceg ceh cei cen ceo cex cga cgc cge cgg cgh cgi cgn cgo ch- cha chc che chg chh chi chn cho chx ci- cia cic cie cig cih cii cin cio cix cn- cna cnc cne cng cnh cni cnn cno cnx co- coa coc coe cog coh coi con coo cox cxc cxh cxi cxo cxx eaa eac eae eag eah eai ean eao eax ec- eca ecc ece ecg ech eci ecn eco ecx eea eec eee eeg een eeo eex ega egc ege egg egh egi egn ego egx eha ehc ehe ehg ehh ehi ehn eho eia eic eie eig eii ein eio eix en- ena enc ene eng enh eni enn eno eo- eoa eoc eoe eog eoh eoi eon eoo ex- exa exc exe exh exi exo exx gaa gac gae gag gah gai gan gao gca gcc gce gcg gch gci gcn gco ge- gea gec gee geg geh gei gen geo gex gga ggc ggg ggh ggi ggn ggo gha ghc ghe ghg ghh ghi ghn gho gia gic gie gig gih gii gin gio gna gnc gne gni gnn gno goa goc goe gog goh goi gon goo gox gxa h-i haa hac hae hag hah hai han hao hax hca hcc hce hcg hch hci hcn hco he- hea hec hee heg heh hei hen heo hex hga hgc hge hgg hgh hgi hgn hgo hha hhc hhe hhg hhh hhi hhn hho hia hic hie hig hih hii hin hio hix hna hnc hne hng hnh hnn hno hoa hoc hoe hog hoh hoi hon hoo hox hxc ia- iaa iac iae iag iah iai ian iao ica icc ice icg ich ici icn ico ie- iea iec iee ieg iei ien iex iga igc ige igg igh igi ign igo iha ihc ihe ihg ihh ihi ihn iho iia iic iie iih iii iin iio iix in- ina inc ine ing inh ini inn ino inx io- ioa ioc ioe iog ioh ioi ion ioo ixc ixe ixi ixn n-i naa nac nae nag nah nai nan nao nax nca ncc nce ncg nch nci ncn nco ncx ne- nea nec nee neg neh nei nen neo nex nga ngc nge ngg ngh ngi ngn ngo nha nhc nhe nhg nhh nhi nhn nia nic nie nig nih nii nin nio nix nna nnc nne nng nnh nni nnn nno no- noa noc noe nog noh noi non noo nox nxc o-i oaa oac oae oag oah oai oan oao oax oc- oca occ ocg och oci ocn oco ocx oea oec oee oeg oeh oei oen oeo oex oga ogc oge ogg ogh ogi ogn ogo ogx oha ohc ohe ohg ohh ohi ohn oho oia oic oie oii oin oio on- ona onc one ong onh oni onn ono onx oo- ooa ooc oog ooh ooi oon ooo oox ox- oxa oxc oxi oxn oxo oxx xaa xac xag xan xch xci xcx xee xeg xen xex xge xgi xia xic xie xii xin xio xix xna xnc xno xoa xoc xog xoi xon xoo xox xxi xxo xxx