-ic a-a a-b a-c a-i a-z aaa aab aac aai aak aan aau aaz ab- aba abb abc abi abk abn abu abz ac- aca acb acc aci ack acn acu acz ai- aia aib aic aii aik ain aiu aiz aka akb akc aki akk akn aku an- ana anb anc ani ank ann anu anz au- aua aub auc aui auk aun auz az- aza azb azi azn azu azz b-u baa bab bac bai bak ban bau baz bba bbb bbc bbi bbk bbn bbu bca bcb bcc bci bck bcn bcu bcz bi- bia bib bic bii bik bin biu biz bka bkb bkc bkk bkn bna bnb bnc bni bnk bnn bnu bnz bua bub buc bui buk bun buu buz bza bzn bzu bzz c-- caa cab cac cai cak can cau caz cba cbb cbc cbi cbk cbn cbu cbz cca ccb ccc cci cck ccn ccu ccz ci- cia cib cic cii cik cin ciu cka ckb ckc cki cn- cna cnb cnc cni cnn cnu cua cub cuc cui cuk cun cuu cuz cz- czc czk ia- iaa iab iac iai ian iau iaz iba ibb ibc ibi ibk ibn ibu ibz ica icb icc ici ick icn icu icz iia iib iic iii iin iiu ika ikb ikc iki ikk iku in- ina inb inc ini ink inn inu iu- iua iub iuc iui iuz iza izi izu izz k-z ka- kaa kab kac kai kak kan kau kaz kba kbb kbc kbi kbk kbn kbu kbz kca kcb kcc kci kck kcn kcu kia kib kic kii kik kin kiu kiz kkb kkc kki kkk kkn kku kn- kna knc kni knk knn knu kub kuc kui kuk kun kuu n-i naa nab nac nai nak nan nau naz nba nbb nbc nbi nbk nbn nbu nca ncb ncc nci nck ncn ncu nia nib nic nii nik nin niu niz nka nkc nki nkk nkn nku nna nnb nnc nni nnk nnn nnu nnz nua nub nuc nui nuk nun nuu nzb nzi nzz ua- uaa uab uac uai uak uan uau uaz uba ubb ubc ubi ubk ubn ubu uca ucb ucc uci uck ucn ucu uia uib uic uii uin uiu uka ukb ukc uki ukk ukn uku ukz un- una unb unc uni unk unn unu uua uuc uun uuu uza uzb uzi uzu zaa zab zac zai zak zan zaz zbb zbc zia zib zik zin ziz zka znc znn zub zuc zui zuk zun zuz zzz