-ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aak aam aan aat ab- aba abb abc abe abg abi abk abm abn abt ac- aca acb acc ace acg aci ack acm acn act aea aeb aec aee aeg aei aek aem aen aet ag- aga agb agc age agg agi agk agm agn agt ai- aia aib aic aie aig aii aik aim ain ait aka akb akc ake akg aki akk akm akn ama amb amc ame amg ami amk amm amn amt an- ana anb anc ane ang ani ank anm ann ant at- ata atb atc ate atg ati atm atn att baa bab bac bae bag bai bak bam ban bat bba bbb bbc bbe bbg bbi bbk bbm bbn bbt bca bcb bcc bce bcg bci bck bcm bcn bct be- bea beb bec bee beg bei bek bem ben bet bga bgb bgc bge bgg bgi bgk bgm bgn bgt bi- bia bib bic bie big bii bik bim bin bit bka bkb bkc bke bkg bkk bkm bkn bkt bma bmb bmc bme bmg bmi bmk bmm bmn bmt bna bnb bnc bne bng bni bnk bnn bnt bta btb btc bte btg bti btk btm btn btt c-- caa cab cac cae cag cai cak cam can cat cba cbb cbc cbe cbg cbi cbk cbm cbn cbt cca ccb ccc cce ccg cci cck ccm ccn cct ce- cea ceb cec cee ceg cei cek cem cen cet cga cgb cgc cge cgg cgi cgm cgn cgt ci- cia cib cic cie cig cii cik cim cin cit cka ckb ckc cki ckm ckt cma cmb cmc cme cmg cmi cmk cmm cmn cmt cn- cna cnb cnc cne cng cni cnm cnn cnt cta ctb ctc cte ctg cti ctk ctm ctn ctt eaa eab eac eae eag eai eak eam ean eat eba ebb ebc ebe ebg ebi ebk ebm ebn ebt ec- eca ecb ecc ece ecg eci eck ecm ecn ect eea eeb eec eee eeg eek eem een eet ega egb egc ege egg egi egm egn egt eia eib eic eie eig eii eik eim ein eit eka ekb ekc eke ekg eki ekt em- ema emb emc eme emg emi emk emm emn emt en- ena enb enc ene eng eni enk enm enn ent eta etb etc ete etg eti etk etm etn ett gaa gab gac gae gag gai gak gam gan gat gba gbc gbe gbg gbi gbk gbm gbn gbt gca gcb gcc gce gcg gci gck gcm gcn gct ge- gea geb gec gee geg gei gek gem gen get gga ggb ggc ggg ggi ggm ggn ggt gia gib gic gie gig gii gik gim gin git gka gkb gkm gkn gkt gma gmb gmc gme gmg gmi gmm gmn gmt gna gnb gnc gne gni gnm gnn gnt gta gtb gtc gte gtg gti gtk gtm gtn gtt ia- iaa iab iac iae iag iai iam ian iat iba ibb ibc ibe ibg ibi ibk ibm ibn ibt ica icb icc ice icg ici ick icm icn ict ie- iea iec iee ieg iei iek iem ien iet iga igb igc ige igg igi igk igm ign igt iia iib iic iie iii iim iin iit ika ikb ikc ike iki ikk ikt im- ima imb imc ime img imi imm imn imt in- ina inb inc ine ing ini ink inm inn int ita itb itc ite itg iti itk itm itn itt k-t ka- kaa kab kac kae kag kai kak kam kan kat kba kbb kbc kbe kbi kbk kbm kbn kca kcb kcc kce kcg kci kck kcm kcn kct ke- kea keb kec kee keg kei kek kem ken ket kga kgb kgc kgi kgm kia kib kic kie kig kii kik kim kin kit kkb kkc kke kki kkk kkm kkn kkt kma kmb kmc kme kmg kmi kmk kmm kmt kn- kna knc kne kng kni knk knm knn knt kta ktb ktc kte ktg ktk ktm ktn ktt maa mab mac mae mag mai mak mam man mat mba mbb mbc mbe mbg mbi mbk mbm mbt mc- mca mcb mcc mce mcg mci mck mcm mcn mct mea meb mec mee meg mei mek mem men met mga mgb mgc mge mgi mgk mgm mgn mgt mi- mia mib mic mie mig mii mik mim min mit mka mkb mkc mke mkg mkk mkm mkn mkt mma mmb mmc mme mmg mmi mmk mmm mmn mmt mna mnb mnc mne mng mni mnk mnm mnn mnt mta mtb mtc mte mtg mti mtk mtm mtn mtt n-i naa nab nac nae nag nai nak nam nan nat nba nbb nbc nbe nbg nbi nbk nbm nbn nbt nca ncb ncc nce ncg nci nck ncm ncn nct ne- nea neb nec nee neg nei nek nem nen net nga ngb ngc nge ngg ngi ngk ngm ngn ngt nia nib nic nie nig nii nik nim nin nit nka nkc nke nki nkk nkm nkn nkt nma nmb nmc nme nmg nmi nmk nmm nmn nmt nna nnb nnc nne nng nni nnk nnm nnn nnt nta ntb ntc nte ntg nti ntk ntm ntn ntt taa tab tac tae tag tai tak tam tan tat tba tbb tbc tbe tbg tbi tbk tbm tbn tbt tca tcb tcc tce tcg tci tck tcm tcn tct te- tea teb tec tee teg tei tek tem ten tet tga tgb tgc tge tgg tgi tgk tgm tgn tgt tia tib tic tie tig tii tik tim tin tit tka tkb tkc tke tkg tkk tkm tkt tma tmb tmc tme tmg tmi tmk tmm tmn tmt tna tnb tnc tne tng tni tnk tnm tnn tnt tta ttb ttc tte ttg tti ttk ttm ttn ttt