-ic a-a a-b a-c a-i aaa aab aac aag aah aai aan aau ab- aba abb abc abg abh abi abn abu ac- aca acb acc acg ach aci acn acu ag- aga agb agc agg agh agi agn agu aha ahb ahc ahg ahh ahi ahn ahu ai- aia aib aic aig aih aii ain aiu an- ana anb anc ang anh ani ann anu au- aua aub auc aug auh aui aun b-u baa bab bac bag bah bai ban bau bba bbb bbc bbg bbh bbi bbn bbu bca bcb bcc bcg bch bci bcn bcu bga bgb bgc bgg bgh bgi bgn bgu bha bhb bhc bhg bhh bhi bhu bi- bia bib bic big bih bii bin biu bna bnb bnc bng bni bnn bnu bua bub buc bug buh bui bun buu c-- caa cab cac cag cah cai can cau cba cbb cbc cbg cbh cbi cbn cbu cca ccb ccc ccg cch cci ccn ccu cga cgb cgc cgg cgh cgi cgn cgu ch- cha chb chc chg chh chi chn chu ci- cia cib cic cig cih cii cin ciu cn- cna cnb cnc cng cnh cni cnn cnu cua cub cuc cug cuh cui cun cuu gaa gab gac gag gah gai gan gau gba gbc gbg gbh gbi gbn gbu gca gcb gcc gcg gch gci gcn gcu gga ggb ggc ggg ggh ggi ggn ggu gha ghb ghc ghg ghh ghi ghn gia gib gic gig gih gii gin giu gna gnb gnc gni gnn gnu gu- gua gub guc gug gui gun guu h-i haa hab hac hag hah hai han hau hba hbb hbc hbg hbh hbi hbn hbu hca hcb hcc hcg hch hci hcn hga hgb hgc hgg hgh hgi hgn hgu hha hhb hhc hhg hhh hhi hhn hhu hia hib hic hig hih hii hin hiu hna hnb hnc hng hnh hnn hnu hua hub huc hug huh hui hun huu ia- iaa iab iac iag iah iai ian iau iba ibb ibc ibg ibh ibi ibn ibu ica icb icc icg ich ici icn icu iga igb igc igg igh igi ign igu iha ihb ihc ihg ihh ihi ihn ihu iia iib iic iih iii iin iiu in- ina inb inc ing inh ini inn inu iu- iua iub iuc iug iui n-i naa nab nac nag nah nai nan nau nba nbb nbc nbg nbi nbn nbu nca ncb ncc ncg nch nci ncn ncu nga ngb ngc ngg ngh ngi ngn ngu nha nhb nhc nhg nhh nhi nhn nhu nia nib nic nig nih nii nin niu nna nnb nnc nng nnh nni nnn nnu nua nub nuc nug nuh nui nun nuu ua- uaa uab uac uag uah uai uan uau uba ubb ubc ubg ubh ubi ubn ubu uca ucb ucc ucg uch uci ucn ucu uga ugb ugc ugg ugh ugi ugn ugu uha uhb uhc uhh uhi uhu uia uib uic uig uii uin uiu un- una unb unc ung unh uni unn unu uua uuc uug uun uuu