-ic a-a a-b a-c a-i aaa aab aac aad aae aaf aah aai aan ab- aba abb abc abd abe abf abh abi abn ac- aca acb acc acd ace acf ach aci acn ad- ada adb adc add ade adf adh adi adn aea aeb aec aed aee aef aeh aei aen af- afa afb afc afd afe aff afh afi afn aha ahb ahc ahd ahe ahf ahh ahi ahn ai- aia aib aic aid aie aif aih aii ain an- ana anb anc and ane anf anh ani ann baa bab bac bad bae baf bah bai ban bba bbb bbc bbd bbe bbf bbh bbi bbn bca bcb bcc bcd bce bcf bch bci bcn bda bdb bdc bdd bde bdf bdh bdi be- bea beb bec bed bee bef beh bei ben bfa bfb bfc bfd bfe bff bfh bfi bfn bha bhb bhc bhd bhe bhf bhh bhi bi- bia bib bic bid bie bif bih bii bin bna bnb bnc bnd bne bnf bni bnn c-- caa cab cac cad cae caf cah cai can cba cbb cbc cbd cbe cbf cbh cbi cbn cca ccb ccc ccd cce ccf cch cci ccn cda cdb cdc cdd cde cdf cdh cdi cdn ce- cea ceb cec ced cee cef ceh cei cen cfa cfb cfc cfd cfe cff cfh cfi cfn ch- cha chb chc chd che chf chh chi chn ci- cia cib cic cid cie cif cih cii cin cn- cna cnb cnc cnd cne cnf cnh cni cnn daa dab dac dad dae daf dah dai dan dba dbb dbc dbd dbe dbf dbh dbi dbn dca dcb dcc dcd dce dcf dci dcn dda ddb ddc ddd dde ddf ddh ddi ddn de- dea deb dec ded dee def deh dei den dfa dfb dfc dfd dfe dff dfh dfi dfn dh- dha dhb dhc dhd dhe dhf dhh dhi di- dia dib dic did die dif dih dii din dna dnb dnc dnd dne dnf dnh dni dnn eaa eab eac ead eae eaf eah eai ean eba ebb ebc ebd ebe ebf ebh ebi ebn ec- eca ecb ecc ecd ece ecf ech eci ecn ed- eda edb edc edd ede edf edh edi edn eea eeb eec eed eee eef een ef- efa efb efc efd efe eff efh efi eha ehb ehc ehd ehe ehf ehh ehi ehn eia eib eic eid eie eif eii ein en- ena enb enc end ene enf enh eni enn faa fab fac fad fae faf fah fai fan fba fbb fbc fbd fbe fbf fbh fbi fbn fca fcb fcc fcd fce fcf fci fcn fda fdb fdc fdd fde fdf fdh fdi fdn fea feb fec fed fee fef feh fei fen ffa ffc ffd ffe fff ffh ffi ffn fha fhb fhc fhe fhf fhh fhi fhn fia fib fic fid fie fif fih fii fin fna fnb fnc fnd fne fnf fnh fni fnn h-i haa hab hac had hae haf hah hai han hba hbb hbc hbd hbe hbf hbh hbi hbn hca hcb hcc hcd hce hcf hch hci hcn hda hdb hdc hdd hde hdf hdh hdi hdn he- hea heb hec hed hee hef heh hei hen hfa hfb hfc hfd hfe hff hfh hfi hfn hha hhb hhc hhd hhe hhf hhh hhi hhn hia hib hic hid hie hif hih hii hin hna hnb hnc hnd hne hnf hnh hnn i-d i-f ia- iaa iab iac iad iae iaf iah iai ian iba ibb ibc ibd ibe ibf ibh ibi ibn ica icb icc icd ice icf ich ici icn ida idb idc idd ide idf idh idi idn ie- iea iec ied iee ief iei ien ifa ifb ifc ifd ife iff ifi ifn iha ihb ihc ihd ihe ihf ihh ihi ihn iia iib iic iid iie iif iih iii iin in- ina inb inc ind ine inf inh ini inn n-i naa nab nac nad nae naf nah nai nan nba nbb nbc nbd nbe nbf nbi nbn nca ncb ncc ncd nce ncf nch nci ncn nda ndb ndc ndd nde ndf ndh ndi ndn ne- nea neb nec ned nee nef neh nei nen nfa nfb nfc nfd nfe nff nfi nfn nha nhb nhc nhd nhe nhf nhh nhi nhn nia nib nic nid nie nif nih nii nin nna nnb nnc nne nnf nnh nni nnn