-ic a-a a-b a-c a-i aaa aab aac aad aae aag aah aai aan ab- aba abb abc abd abe abg abh abi abn ac- aca acb acc acd ace acg ach aci acn ad- ada adb adc add ade adg adh adi adn aea aeb aec aed aee aeg aeh aei aen ag- aga agb agc agd age agg agh agi agn aha ahb ahc ahd ahe ahg ahh ahi ahn ai- aia aib aic aid aie aig aih aii ain an- ana anb anc and ane ang anh ani ann baa bab bac bad bae bag bah bai ban bba bbb bbc bbd bbe bbg bbh bbi bbn bca bcb bcc bcd bce bcg bch bci bcn bda bdb bdc bdd bde bdg bdh bdi be- bea beb bec bed bee beg beh bei ben bga bgb bgc bgd bge bgg bgh bgi bgn bha bhb bhc bhd bhe bhg bhh bhi bi- bia bib bic bid bie big bih bii bin bna bnb bnc bnd bne bng bni bnn c-- caa cab cac cad cae cag cah cai can cba cbb cbc cbd cbe cbg cbh cbi cbn cca ccb ccc ccd cce ccg cch cci ccn cda cdb cdc cdd cde cdg cdh cdi cdn ce- cea ceb cec ced cee ceg ceh cei cen cga cgb cgc cgd cge cgg cgh cgi cgn ch- cha chb chc chd che chg chh chi chn ci- cia cib cic cid cie cig cih cii cin cn- cna cnb cnc cnd cne cng cnh cni cnn daa dab dac dad dae dag dah dai dan dba dbb dbc dbd dbe dbg dbh dbi dbn dca dcb dcc dcd dce dcg dci dcn dda ddb ddc ddd dde ddg ddh ddi ddn de- dea deb dec ded dee deg deh dei den dga dgc dgd dge dgg dgh dgi dgn dh- dha dhb dhc dhd dhe dhh dhi di- dia dib dic did die dig dih dii din dna dnb dnc dnd dne dng dnh dni dnn eaa eab eac ead eae eag eah eai ean eba ebb ebc ebd ebe ebg ebh ebi ebn ec- eca ecb ecc ecd ece ecg ech eci ecn ed- eda edb edc edd ede edg edh edi edn eea eeb eec eed eee eeg een ega egb egc egd ege egg egh egi egn eha ehb ehc ehd ehe ehg ehh ehi ehn eia eib eic eid eie eig eii ein en- ena enb enc end ene eng enh eni enn g-d gaa gab gac gad gae gag gah gai gan gba gbc gbd gbe gbg gbh gbi gbn gca gcb gcc gcd gce gcg gch gci gcn gda gdb gdc gdd gde gdh gdi gdn ge- gea geb gec ged gee geg geh gei gen gga ggb ggc ggd ggg ggh ggi ggn gha ghb ghc ghd ghe ghg ghh ghi ghn gia gib gic gid gie gig gih gii gin gna gnb gnc gnd gne gni gnn h-i haa hab hac had hae hag hah hai han hba hbb hbc hbd hbe hbg hbh hbi hbn hca hcb hcc hcd hce hcg hch hci hcn hda hdb hdc hdd hde hdg hdh hdi hdn he- hea heb hec hed hee heg heh hei hen hga hgb hgc hge hgg hgh hgi hgn hha hhb hhc hhd hhe hhg hhh hhi hhn hia hib hic hid hie hig hih hii hin hna hnb hnc hnd hne hng hnh hnn i-d ia- iaa iab iac iad iae iag iah iai ian iba ibb ibc ibd ibe ibg ibh ibi ibn ica icb icc icd ice icg ich ici icn ida idb idc idd ide idg idh idi idn ie- iea iec ied iee ieg iei ien iga igb igc igd ige igg igh igi ign iha ihb ihc ihd ihe ihg ihh ihi ihn iia iib iic iid iie iih iii iin in- ina inb inc ind ine ing inh ini inn n-i naa nab nac nad nae nag nah nai nan nba nbb nbc nbd nbe nbg nbi nbn nca ncb ncc ncd nce ncg nch nci ncn nda ndb ndc ndd nde ndg ndh ndi ndn ne- nea neb nec ned nee neg neh nei nen nga ngb ngc ngd nge ngg ngh ngi ngn nha nhb nhc nhd nhe nhg nhh nhi nhn nia nib nic nid nie nig nih nii nin nna nnb nnc nne nng nnh nni nnn