-ic a-a a-c a-i aaa aac aae aag aai aan aao aau aax ac- aca acc ace acg aci acn aco acu acx aea aec aee aeg aei aen aeo aeu aex ag- aga agc age agg agi agn ago agu agx ai- aia aic aie aig aii ain aio aiu aix an- ana anc ane ang ani ann ano anu anx aoa aoc aoe aog aoi aon aoo aou aox au- aua auc aue aug aui aun auo aux ax- axa axe axi axn axo axx c-- caa cac cae cag cai can cao cau cax cca ccc cce ccg cci ccn cco ccu ccx ce- cea cec cee ceg cei cen ceo ceu cex cga cgc cge cgg cgi cgn cgo cgu ci- cia cic cie cig cii cin cio ciu cix cn- cna cnc cne cng cni cnn cno cnu cnx co- coa coc coe cog coi con coo cou cox cua cuc cue cug cui cun cuo cuu cxc cxi cxo cxx eaa eac eae eag eai ean eao eau eax ec- eca ecc ece ecg eci ecn eco ecu ecx eea eec eee eeg een eeo eex ega egc ege egg egi egn ego egu egx eia eic eie eig eii ein eio eiu eix en- ena enc ene eng eni enn eno enu eo- eoa eoc eoe eog eoi eon eoo eou eu- eua euc eue eug eui eun eux ex- exa exc exe exi exo exu exx gaa gac gae gag gai gan gao gau gca gcc gce gcg gci gcn gco gcu ge- gea gec gee geg gei gen geo geu gex gga ggc ggg ggi ggn ggo ggu gia gic gie gig gii gin gio giu gna gnc gne gni gnn gno gnu goa goc goe gog goi gon goo gou gox gu- gua guc gue gug gui gun guo guu gxa ia- iaa iac iae iag iai ian iao iau ica icc ice icg ici icn ico icu ie- iea iec iee ieg iei ien iex iga igc ige igg igi ign igo igu iia iic iie iii iin iio iiu iix in- ina inc ine ing ini inn ino inu inx io- ioa ioc ioe iog ioi ion ioo iou iu- iua iuc iue iug iui ixc ixe ixi ixn n-i naa nac nae nag nai nan nao nau nax nca ncc nce ncg nci ncn nco ncu ncx ne- nea nec nee neg nei nen neo neu nex nga ngc nge ngg ngi ngn ngo ngu nia nic nie nig nii nin nio niu nix nna nnc nne nng nni nnn nno nnu no- noa noc noe nog noi non noo nou nox nua nuc nue nug nui nun nuo nuu nux nxc o-i oaa oac oae oag oai oan oao oau oax oc- oca occ ocg oci ocn oco ocu ocx oea oec oee oeg oei oen oeo oex oga ogc oge ogg ogi ogn ogo ogx oia oic oie oii oin oio oiu on- ona onc one ong oni onn ono onu onx oo- ooa ooc oog ooi oon ooo oox ou- oua ouc oue oui oun ouo ox- oxa oxc oxi oxn oxo oxx ua- uaa uac uae uag uai uan uao uau uca ucc uce ucg uci ucn uco ucu uea uec uee ueg uei uen uga ugc uge ugg ugi ugn ugo ugu ugx uia uic uie uig uii uin uio uiu un- una unc une ung uni unn uno unu unx uoa uoc uoe uog uon uoo uox uua uuc uue uug uun uuu uxc uxo uxu xaa xac xag xan xau xci xcx xee xeg xen xeu xex xge xgi xia xic xie xii xin xio xiu xix xna xnc xno xnu xoa xoc xog xoi xon xoo xox xue xui xun xxi xxo xxx