-ic a-a a-b a-c a-i aaa aab aac aad aag aai aak aan ab- aba abb abc abd abg abi abk abn ac- aca acb acc acd acg aci ack acn ad- ada adb adc add adg adi adk adn ag- aga agb agc agd agg agi agk agn ai- aia aib aic aid aig aii aik ain aka akb akc akd akg aki akk akn an- ana anb anc and ang ani ank ann baa bab bac bad bag bai bak ban bba bbb bbc bbd bbg bbi bbk bbn bca bcb bcc bcd bcg bci bck bcn bda bdb bdc bdd bdg bdi bdk bga bgb bgc bgd bgg bgi bgk bgn bi- bia bib bic bid big bii bik bin bka bkb bkc bkg bkk bkn bna bnb bnc bnd bng bni bnk bnn c-- caa cab cac cad cag cai cak can cba cbb cbc cbd cbg cbi cbk cbn cca ccb ccc ccd ccg cci cck ccn cda cdb cdc cdd cdg cdi cdk cdn cga cgb cgc cgd cgg cgi cgn ci- cia cib cic cid cig cii cik cin cka ckb ckc ckd cki cn- cna cnb cnc cnd cng cni cnn daa dab dac dad dag dai dak dan dba dbb dbc dbd dbg dbi dbk dbn dca dcb dcc dcd dcg dci dck dcn dda ddb ddc ddd ddg ddi ddk ddn dga dgc dgd dgg dgi dgk dgn di- dia dib dic did dig dii dik din dka dkb dkc dkg dki dkk dna dnb dnc dnd dng dni dnk dnn g-d gaa gab gac gad gag gai gak gan gba gbc gbd gbg gbi gbk gbn gca gcb gcc gcd gcg gci gck gcn gda gdb gdc gdd gdi gdk gdn gga ggb ggc ggd ggg ggi ggn gia gib gic gid gig gii gik gin gka gkb gkd gkn gna gnb gnc gnd gni gnn i-d ia- iaa iab iac iad iag iai ian iba ibb ibc ibd ibg ibi ibk ibn ica icb icc icd icg ici ick icn ida idb idc idd idg idi idk idn iga igb igc igd igg igi igk ign iia iib iic iid iii iin ika ikb ikc iki ikk in- ina inb inc ind ing ini ink inn ka- kaa kab kac kad kag kai kak kan kba kbb kbc kbd kbi kbk kbn kca kcb kcc kcd kcg kci kck kcn kda kdb kdc kdg kdk kga kgb kgc kgd kgi kia kib kic kid kig kii kik kin kkb kkc kki kkk kkn kn- kna knc knd kng kni knk knn n-i naa nab nac nad nag nai nak nan nba nbb nbc nbd nbg nbi nbk nbn nca ncb ncc ncd ncg nci nck ncn nda ndb ndc ndd ndg ndi ndk ndn nga ngb ngc ngd ngg ngi ngk ngn nia nib nic nid nig nii nik nin nka nkc nki nkk nkn nna nnb nnc nng nni nnk nnn