-ic a-a a-b a-c a-i aaa aab aac aah aai aau aay ab- aba abb abc abh abi abu aby ac- aca acb acc ach aci acu acy aha ahb ahc ahh ahi ahu ahy ai- aia aib aic aih aii aiu aiy au- aua aub auc auh aui ay- aya ayc ayh ayi ayu b-u baa bab bac bah bai bau bay bba bbb bbc bbh bbi bbu bby bca bcb bcc bch bci bcu bcy bha bhb bhc bhh bhi bhu bi- bia bib bic bih bii biu biy bua bub buc buh bui buu buy by- bya byc byh byi byu c-- caa cab cac cah cai cau cay cba cbb cbc cbh cbi cbu cby cca ccb ccc cch cci ccu ch- cha chb chc chh chi chu chy ci- cia cib cic cih cii ciu cua cub cuc cuh cui cuu cuy cya cyb cyc h-i haa hab hac hah hai hau hay hba hbb hbc hbh hbi hbu hby hca hcb hcc hch hci hcy hha hhb hhc hhh hhi hhu hhy hia hib hic hih hii hiu hua hub huc huh hui huu huy hy- hya hyb hyc hyh hyi hyy ia- iaa iab iac iah iai iau iba ibb ibc ibh ibi ibu iby ica icb icc ich ici icu icy iha ihb ihc ihh ihi ihu ihy iia iib iic iih iii iiu iu- iua iub iuc iui iya iyc iyy ua- uaa uab uac uah uai uau uay uba ubb ubc ubh ubi ubu uby uca ucb ucc uch uci ucu uha uhb uhc uhh uhi uhu uhy uia uib uic uii uiu uua uuc uuu uyc uyi uyu yaa yab yac yah yai yau yay ybc ybi yby yca ycc ych yci ycu ycy yha yhc yhi yhu yih yii yua yuh yui yuu yuy yyb yyc yyu yyy