-ic a-a a-b a-c a-i aaa aab aac aad aah aai aau ab- aba abb abc abd abh abi abu ac- aca acb acc acd ach aci acu ad- ada adb adc add adh adi adu aha ahb ahc ahd ahh ahi ahu ai- aia aib aic aid aih aii aiu au- aua aub auc aud auh aui b-u baa bab bac bad bah bai bau bba bbb bbc bbd bbh bbi bbu bca bcb bcc bcd bch bci bcu bda bdb bdc bdd bdh bdi bdu bha bhb bhc bhd bhh bhi bhu bi- bia bib bic bid bih bii biu bua bub buc bud buh bui buu c-- caa cab cac cad cah cai cau cba cbb cbc cbd cbh cbi cbu cca ccb ccc ccd cch cci ccu cda cdb cdc cdd cdh cdi cdu ch- cha chb chc chd chh chi chu ci- cia cib cic cid cih cii ciu cua cub cuc cud cuh cui cuu daa dab dac dad dah dai dau dba dbb dbc dbd dbh dbi dbu dca dcb dcc dcd dci dcu dda ddb ddc ddd ddh ddi ddu dh- dha dhb dhc dhd dhh dhi dhu di- dia dib dic did dih dii diu dua dub duc dud duh dui h-i haa hab hac had hah hai hau hba hbb hbc hbd hbh hbi hbu hca hcb hcc hcd hch hci hda hdb hdc hdd hdh hdi hdu hha hhb hhc hhd hhh hhi hhu hia hib hic hid hih hii hiu hua hub huc hud huh hui huu i-d ia- iaa iab iac iad iah iai iau iba ibb ibc ibd ibh ibi ibu ica icb icc icd ich ici icu ida idb idc idd idh idi idu iha ihb ihc ihd ihh ihi ihu iia iib iic iid iih iii iiu iu- iua iub iuc iud iui ua- uaa uab uac uad uah uai uau uba ubb ubc ubh ubi ubu uca ucb ucc ucd uch uci ucu uda udb udc udd udi udu uha uhb uhc uhd uhh uhi uhu uia uib uic uid uii uiu uua uuc uuu