-ic -th a-a a-b a-c a-i a-t aaa aab aac aae aag aah aai aan aat ab- aba abb abc abe abg abh abi abn abt ac- aca acb acc ace acg ach aci acn act aea aeb aec aee aeg aeh aei aen aet ag- aga agb agc age agg agh agi agn agt aha ahb ahc ahe ahg ahh ahi ahn aht ai- aia aib aic aie aig aih aii ain ait an- ana anb anc ane ang anh ani ann ant at- ata atb atc ate atg ath ati atn att baa bab bac bae bag bah bai ban bat bba bbb bbc bbe bbg bbh bbi bbn bbt bca bcb bcc bce bcg bch bci bcn bct be- bea beb bec bee beg beh bei ben bet bga bgb bgc bge bgg bgh bgi bgn bgt bha bhb bhc bhe bhg bhh bhi bht bi- bia bib bic bie big bih bii bin bit bna bnb bnc bne bng bni bnn bnt bta btb btc bte btg bth bti btn btt c-- caa cab cac cae cag cah cai can cat cba cbb cbc cbe cbg cbh cbi cbn cbt cca ccb ccc cce ccg cch cci ccn cct ce- cea ceb cec cee ceg ceh cei cen cet cga cgb cgc cge cgg cgh cgi cgn cgt ch- cha chb chc che chg chh chi chn cht ci- cia cib cic cie cig cih cii cin cit cn- cna cnb cnc cne cng cnh cni cnn cnt cta ctb ctc cte ctg cth cti ctn ctt eaa eab eac eae eag eah eai ean eat eba ebb ebc ebe ebg ebh ebi ebn ebt ec- eca ecb ecc ece ecg ech eci ecn ect eea eeb eec eee eeg een eet ega egb egc ege egg egh egi egn egt eha ehb ehc ehe ehg ehh ehi ehn eht eia eib eic eie eig eii ein eit en- ena enb enc ene eng enh eni enn ent eta etb etc ete etg eth eti etn ett gaa gab gac gae gag gah gai gan gat gba gbc gbe gbg gbh gbi gbn gbt gca gcb gcc gce gcg gch gci gcn gct ge- gea geb gec gee geg geh gei gen get gga ggb ggc ggg ggh ggi ggn ggt gha ghb ghc ghe ghg ghh ghi ghn ght gia gib gic gie gig gih gii gin git gna gnb gnc gne gni gnn gnt gta gtb gtc gte gtg gth gti gtn gtt h-i haa hab hac hae hag hah hai han hat hba hbb hbc hbe hbg hbh hbi hbn hbt hca hcb hcc hce hcg hch hci hcn hct he- hea heb hec hee heg heh hei hen het hga hgb hgc hge hgg hgh hgi hgn hgt hha hhb hhc hhe hhg hhh hhi hhn hht hia hib hic hie hig hih hii hin hit hna hnb hnc hne hng hnh hnn hnt hta htb htc hte htg hth hti htn htt ia- iaa iab iac iae iag iah iai ian iat iba ibb ibc ibe ibg ibh ibi ibn ibt ica icb icc ice icg ich ici icn ict ie- iea iec iee ieg iei ien iet iga igb igc ige igg igh igi ign igt iha ihb ihc ihe ihg ihh ihi ihn iht iia iib iic iie iih iii iin iit in- ina inb inc ine ing inh ini inn int ita itb itc ite itg ith iti itn itt n-i naa nab nac nae nag nah nai nan nat nba nbb nbc nbe nbg nbi nbn nbt nca ncb ncc nce ncg nch nci ncn nct ne- nea neb nec nee neg neh nei nen net nga ngb ngc nge ngg ngh ngi ngn ngt nha nhb nhc nhe nhg nhh nhi nhn nht nia nib nic nie nig nih nii nin nit nna nnb nnc nne nng nnh nni nnn nnt nta ntb ntc nte ntg nth nti ntn ntt taa tab tac tae tag tah tai tan tat tba tbb tbc tbe tbg tbh tbi tbn tbt tca tcb tcc tce tcg tch tci tcn tct te- tea teb tec tee teg teh tei ten tet tga tgb tgc tge tgg tgh tgi tgn tgt th- tha thb thc the thg thh thi thn tht tia tib tic tie tig tih tii tin tit tna tnb tnc tne tng tnh tni tnn tnt tta ttb ttc tte ttg tth tti ttn ttt