-ic a-a a-b a-c a-i aaa aab aac aad aag aai aan aau ab- aba abb abc abd abg abi abn abu ac- aca acb acc acd acg aci acn acu ad- ada adb adc add adg adi adn adu ag- aga agb agc agd agg agi agn agu ai- aia aib aic aid aig aii ain aiu an- ana anb anc and ang ani ann anu au- aua aub auc aud aug aui aun b-u baa bab bac bad bag bai ban bau bba bbb bbc bbd bbg bbi bbn bbu bca bcb bcc bcd bcg bci bcn bcu bda bdb bdc bdd bdg bdi bdu bga bgb bgc bgd bgg bgi bgn bgu bi- bia bib bic bid big bii bin biu bna bnb bnc bnd bng bni bnn bnu bua bub buc bud bug bui bun buu c-- caa cab cac cad cag cai can cau cba cbb cbc cbd cbg cbi cbn cbu cca ccb ccc ccd ccg cci ccn ccu cda cdb cdc cdd cdg cdi cdn cdu cga cgb cgc cgd cgg cgi cgn cgu ci- cia cib cic cid cig cii cin ciu cn- cna cnb cnc cnd cng cni cnn cnu cua cub cuc cud cug cui cun cuu daa dab dac dad dag dai dan dau dba dbb dbc dbd dbg dbi dbn dbu dca dcb dcc dcd dcg dci dcn dcu dda ddb ddc ddd ddg ddi ddn ddu dga dgc dgd dgg dgi dgn dgu di- dia dib dic did dig dii din diu dna dnb dnc dnd dng dni dnn dua dub duc dud dug dui dun g-d gaa gab gac gad gag gai gan gau gba gbc gbd gbg gbi gbn gbu gca gcb gcc gcd gcg gci gcn gcu gda gdb gdc gdd gdi gdn gdu gga ggb ggc ggd ggg ggi ggn ggu gia gib gic gid gig gii gin giu gna gnb gnc gnd gni gnn gnu gu- gua gub guc gud gug gui gun guu i-d ia- iaa iab iac iad iag iai ian iau iba ibb ibc ibd ibg ibi ibn ibu ica icb icc icd icg ici icn icu ida idb idc idd idg idi idn idu iga igb igc igd igg igi ign igu iia iib iic iid iii iin iiu in- ina inb inc ind ing ini inn inu iu- iua iub iuc iud iug iui n-i naa nab nac nad nag nai nan nau nba nbb nbc nbd nbg nbi nbn nbu nca ncb ncc ncd ncg nci ncn ncu nda ndb ndc ndd ndg ndi ndn ndu nga ngb ngc ngd ngg ngi ngn ngu nia nib nic nid nig nii nin niu nna nnb nnc nng nni nnn nnu nua nub nuc nud nug nui nun nuu ua- uaa uab uac uad uag uai uan uau uba ubb ubc ubg ubi ubn ubu uca ucb ucc ucd ucg uci ucn ucu uda udb udc udd udg udi udn udu uga ugb ugc ugg ugi ugn ugu uia uib uic uid uig uii uin uiu un- una unb unc und ung uni unn unu uua uuc uug uun uuu