-ic a-a a-b a-c a-i aaa aab aac aae aah aai aak aav aax ab- aba abb abc abe abh abi abk abv abx ac- aca acb acc ace ach aci ack acv acx aea aeb aec aee aeh aei aek aev aex aha ahb ahc ahe ahh ahi ahk ahv ahx ai- aia aib aic aie aih aii aik aiv aix aka akb akc ake akh aki akk akv av- ava avb avc ave avh avi avk avx ax- axa axe axh axi axk axv axx baa bab bac bae bah bai bak bav bax bba bbb bbc bbe bbh bbi bbk bbx bca bcb bcc bce bch bci bck bcv bcx be- bea beb bec bee beh bei bek bev bex bha bhb bhc bhe bhh bhi bhk bhv bhx bi- bia bib bic bie bih bii bik biv bix bka bkb bkc bke bkk bkv bkx bva bvb bvc bve bvh bvi bvk bvv bxb bxi bxx c-- caa cab cac cae cah cai cak cav cax cba cbb cbc cbe cbh cbi cbk cbv cbx cca ccb ccc cce cch cci cck ccv ccx ce- cea ceb cec cee ceh cei cek cev cex ch- cha chb chc che chh chi chk chv chx ci- cia cib cic cie cih cii cik civ cix cka ckb ckc ckh cki ckx cva cvb cvc cve cvh cvi cvk cvv cvx cxc cxh cxi cxk cxv cxx eaa eab eac eae eah eai eak eav eax eba ebb ebc ebe ebh ebi ebk ebv ebx ec- eca ecb ecc ece ech eci eck ecv ecx eea eeb eec eee eek eev eex eha ehb ehc ehe ehh ehi ehv eia eib eic eie eii eik eiv eix eka ekb ekc eke ekh eki ekv eva evb evc eve evh evi evv ex- exa exc exe exh exi exx h-i haa hab hac hae hah hai hak hav hax hba hbb hbc hbe hbh hbi hbk hbv hbx hca hcb hcc hce hch hci hck hcv he- hea heb hec hee heh hei hek hev hex hha hhb hhc hhe hhh hhi hhk hhv hia hib hic hie hih hii hik hiv hix hka hkb hkh hki hkk hv- hva hvb hvc hvk hvv hvx hxc i-v ia- iaa iab iac iae iah iai iav iba ibb ibc ibe ibh ibi ibk ibv ibx ica icb icc ice ich ici ick icv ie- iea iec iee iei iek iev iex iha ihb ihc ihe ihh ihi ihk ihv iia iib iic iie iih iii iix ika ikb ikc ike iki ikk ikv ikx iva ivb ivc ive ivi ivv ivx ixc ixe ixi ka- kaa kab kac kae kah kai kak kav kax kba kbb kbc kbe kbh kbi kbk kbx kca kcb kcc kce kch kci kck kcx ke- kea keb kec kee keh kei kek kev kex kha khe khh khi khk khv kia kib kic kie kih kii kik kiv kix kkb kkc kke kkh kki kkk kkv kva kvb kvh kvi kvk kvv v-a v-e vaa vab vac vae vah vai vak vav vax vba vbc vbh vbi vbk vbv vca vcc vce vch vci vcx vea veb vec vee veh vei vek vex vh- vha vhb vhc vhe vhi vhx vi- via vib vic vie vii vik viv vix vka vkb vva vvb vvc vvi vvv vxa vxv xaa xac xak xav xbc xbe xbx xcb xch xci xcv xcx xee xev xex xia xic xie xii xiv xix xkb xke xvh xvi xxi xxv xxx