-ic a-a a-b a-c a-i aaa aab aac aai aam aan aau ab- aba abb abc abi abm abn abu ac- aca acb acc aci acm acn acu ai- aia aib aic aii aim ain aiu ama amb amc ami amm amn amu an- ana anb anc ani anm ann anu au- aua aub auc aui aum aun b-u baa bab bac bai bam ban bau bba bbb bbc bbi bbm bbn bbu bca bcb bcc bci bcm bcn bcu bi- bia bib bic bii bim bin biu bma bmb bmc bmi bmm bmn bmu bna bnb bnc bni bnn bnu bua bub buc bui bum bun buu c-- caa cab cac cai cam can cau cba cbb cbc cbi cbm cbn cbu cca ccb ccc cci ccm ccn ccu ci- cia cib cic cii cim cin ciu cma cmb cmc cmi cmm cmn cmu cn- cna cnb cnc cni cnm cnn cnu cua cub cuc cui cum cun cuu ia- iaa iab iac iai iam ian iau iba ibb ibc ibi ibm ibn ibu ica icb icc ici icm icn icu iia iib iic iii iim iin iiu im- ima imb imc imi imm imn imu in- ina inb inc ini inm inn inu iu- iua iub iuc iui ium maa mab mac mai mam man mau mba mbb mbc mbi mbm mbu mc- mca mcb mcc mci mcm mcn mcu mi- mia mib mic mii mim min miu mma mmb mmc mmi mmm mmn mmu mna mnb mnc mni mnm mnn mnu mua mub muc mui mum mun muu n-i naa nab nac nai nam nan nau nba nbb nbc nbi nbm nbn nbu nca ncb ncc nci ncm ncn ncu nia nib nic nii nim nin niu nma nmb nmc nmi nmm nmn nmu nna nnb nnc nni nnm nnn nnu nua nub nuc nui num nun nuu ua- uaa uab uac uai uam uan uau uba ubb ubc ubi ubn ubu uca ucb ucc uci ucm ucn ucu uia uib uic uii uim uin uiu um- uma umb umc umi umm umn umu un- una unb unc uni unm unn unu uua uuc uum uun uuu