-ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aan aau ab- aba abb abc abe abg abi abk abn abu ac- aca acb acc ace acg aci ack acn acu aea aeb aec aee aeg aei aek aen aeu ag- aga agb agc age agg agi agk agn agu ai- aia aib aic aie aig aii aik ain aiu aka akb akc ake akg aki akk akn aku an- ana anb anc ane ang ani ank ann anu au- aua aub auc aue aug aui auk aun b-u baa bab bac bae bag bai bak ban bau bba bbb bbc bbe bbg bbi bbk bbn bbu bca bcb bcc bce bcg bci bck bcn bcu be- bea beb bec bee beg bei bek ben beu bga bgb bgc bge bgg bgi bgk bgn bgu bi- bia bib bic bie big bii bik bin biu bka bkb bkc bke bkg bkk bkn bna bnb bnc bne bng bni bnk bnn bnu bua bub buc bue bug bui buk bun buu c-- caa cab cac cae cag cai cak can cau cba cbb cbc cbe cbg cbi cbk cbn cbu cca ccb ccc cce ccg cci cck ccn ccu ce- cea ceb cec cee ceg cei cek cen ceu cga cgb cgc cge cgg cgi cgn cgu ci- cia cib cic cie cig cii cik cin ciu cka ckb ckc cki cn- cna cnb cnc cne cng cni cnn cnu cua cub cuc cue cug cui cuk cun cuu eaa eab eac eae eag eai eak ean eau eba ebb ebc ebe ebg ebi ebk ebn ebu ec- eca ecb ecc ece ecg eci eck ecn ecu eea eeb eec eee eeg eek een ega egb egc ege egg egi egn egu eia eib eic eie eig eii eik ein eiu eka ekb ekc eke ekg eki eku en- ena enb enc ene eng eni enk enn enu eu- eua eub euc eue eug eui eun gaa gab gac gae gag gai gak gan gau gba gbc gbe gbg gbi gbk gbn gbu gca gcb gcc gce gcg gci gck gcn gcu ge- gea geb gec gee geg gei gek gen geu gga ggb ggc ggg ggi ggn ggu gia gib gic gie gig gii gik gin giu gka gkb gkn gna gnb gnc gne gni gnn gnu gu- gua gub guc gue gug gui guk gun guu ia- iaa iab iac iae iag iai ian iau iba ibb ibc ibe ibg ibi ibk ibn ibu ica icb icc ice icg ici ick icn icu ie- iea iec iee ieg iei iek ien iga igb igc ige igg igi igk ign igu iia iib iic iie iii iin iiu ika ikb ikc ike iki ikk iku in- ina inb inc ine ing ini ink inn inu iu- iua iub iuc iue iug iui ka- kaa kab kac kae kag kai kak kan kau kba kbb kbc kbe kbi kbk kbn kbu kca kcb kcc kce kcg kci kck kcn kcu ke- kea keb kec kee keg kei kek ken kga kgb kgc kgi kgu kia kib kic kie kig kii kik kin kiu kkb kkc kke kki kkk kkn kku kn- kna knc kne kng kni knk knn knu kub kuc kue kug kui kuk kun kuu n-i naa nab nac nae nag nai nak nan nau nba nbb nbc nbe nbg nbi nbk nbn nbu nca ncb ncc nce ncg nci nck ncn ncu ne- nea neb nec nee neg nei nek nen neu nga ngb ngc nge ngg ngi ngk ngn ngu nia nib nic nie nig nii nik nin niu nka nkc nke nki nkk nkn nku nna nnb nnc nne nng nni nnk nnn nnu nua nub nuc nue nug nui nuk nun nuu ua- uaa uab uac uae uag uai uak uan uau uba ubb ubc ube ubg ubi ubk ubn ubu uca ucb ucc uce ucg uci uck ucn ucu uea ueb uec uee ueg uei uen uga ugb ugc uge ugg ugi ugk ugn ugu uia uib uic uie uig uii uin uiu uka ukb ukc uke uki ukk ukn uku un- una unb unc une ung uni unk unn unu uua uuc uue uug uun uuu