-ic a-a a-b a-c a-i aaa aab aac aad aag aai aau ab- aba abb abc abd abg abi abu ac- aca acb acc acd acg aci acu ad- ada adb adc add adg adi adu ag- aga agb agc agd agg agi agu ai- aia aib aic aid aig aii aiu au- aua aub auc aud aug aui b-u baa bab bac bad bag bai bau bba bbb bbc bbd bbg bbi bbu bca bcb bcc bcd bcg bci bcu bda bdb bdc bdd bdg bdi bdu bga bgb bgc bgd bgg bgi bgu bi- bia bib bic bid big bii biu bua bub buc bud bug bui buu c-- caa cab cac cad cag cai cau cba cbb cbc cbd cbg cbi cbu cca ccb ccc ccd ccg cci ccu cda cdb cdc cdd cdg cdi cdu cga cgb cgc cgd cgg cgi cgu ci- cia cib cic cid cig cii ciu cua cub cuc cud cug cui cuu daa dab dac dad dag dai dau dba dbb dbc dbd dbg dbi dbu dca dcb dcc dcd dcg dci dcu dda ddb ddc ddd ddg ddi ddu dga dgc dgd dgg dgi dgu di- dia dib dic did dig dii diu dua dub duc dud dug dui g-d gaa gab gac gad gag gai gau gba gbc gbd gbg gbi gbu gca gcb gcc gcd gcg gci gcu gda gdb gdc gdd gdi gdu gga ggb ggc ggd ggg ggi ggu gia gib gic gid gig gii giu gu- gua gub guc gud gug gui guu i-d ia- iaa iab iac iad iag iai iau iba ibb ibc ibd ibg ibi ibu ica icb icc icd icg ici icu ida idb idc idd idg idi idu iga igb igc igd igg igi igu iia iib iic iid iii iiu iu- iua iub iuc iud iug iui ua- uaa uab uac uad uag uai uau uba ubb ubc ubg ubi ubu uca ucb ucc ucd ucg uci ucu uda udb udc udd udg udi udu uga ugb ugc ugg ugi ugu uia uib uic uid uig uii uiu uua uuc uug uuu