-ic a-a a-b a-c a-i a-t aaa aab aac aae aai aak aan aas aat aau ab- aba abb abc abe abi abk abn abs abt abu ac- aca acb acc ace aci ack acn acs act acu aea aeb aec aee aei aek aen aes aet aeu ai- aia aib aic aie aii aik ain ais ait aiu aka akb akc ake aki akk akn aks aku an- ana anb anc ane ani ank ann ans ant anu as- asa asb asc ase asi ask asn ass ast asu at- ata atb atc ate ati atn ats att atu au- aua aub auc aue aui auk aun aus aut b-u baa bab bac bae bai bak ban bas bat bau bba bbb bbc bbe bbi bbk bbn bbs bbt bbu bca bcb bcc bce bci bck bcn bcs bct bcu be- bea beb bec bee bei bek ben bes bet beu bi- bia bib bic bie bii bik bin bis bit biu bka bkb bkc bke bkk bkn bks bkt bna bnb bnc bne bni bnk bnn bns bnt bnu bsa bsb bsc bse bsi bsk bsn bss bst bsu bta btb btc bte bti btk btn bts btt btu bua bub buc bue bui buk bun bus but buu c-- caa cab cac cae cai cak can cas cat cau cba cbb cbc cbe cbi cbk cbn cbs cbt cbu cca ccb ccc cce cci cck ccn ccs cct ccu ce- cea ceb cec cee cei cek cen ces cet ceu ci- cia cib cic cie cii cik cin cis cit ciu cka ckb ckc cki cks ckt cn- cna cnb cnc cne cni cnn cns cnt cnu csa csb csc cse csi csk csn css cst csu cta ctb ctc cte cti ctk ctn cts ctt ctu cua cub cuc cue cui cuk cun cus cut cuu eaa eab eac eae eai eak ean eas eat eau eba ebb ebc ebe ebi ebk ebn ebs ebt ebu ec- eca ecb ecc ece eci eck ecn ecs ect ecu eea eeb eec eee eek een ees eet eia eib eic eie eii eik ein eis eit eiu eka ekb ekc eke eki eks ekt eku en- ena enb enc ene eni enk enn ens ent enu es- esa esb esc ese esi esk esn ess est esu eta etb etc ete eti etk etn ets ett etu eu- eua eub euc eue eui eun eus eut ia- iaa iab iac iae iai ian ias iat iau iba ibb ibc ibe ibi ibk ibn ibs ibt ibu ica icb icc ice ici ick icn ics ict icu ie- iea iec iee iei iek ien ies iet iia iib iic iie iii iin iis iit iiu ika ikb ikc ike iki ikk iks ikt iku in- ina inb inc ine ini ink inn ins int inu is- isa isb isc ise isi isk isn iss ist isu ita itb itc ite iti itk itn its itt itu iu- iua iub iuc iue iui ius iut k-t ka- kaa kab kac kae kai kak kan kas kat kau kba kbb kbc kbe kbi kbk kbn kbs kbu kca kcb kcc kce kci kck kcn kcs kct kcu ke- kea keb kec kee kei kek ken kes ket kia kib kic kie kii kik kin kis kit kiu kkb kkc kke kki kkk kkn kks kkt kku kn- kna knc kne kni knk knn knt knu ksa ksb ksc kse ksi ksk ksn kss kst ksu kta ktb ktc kte ktk ktn kts ktt ktu kub kuc kue kui kuk kun kus kut kuu n-i naa nab nac nae nai nak nan nas nat nau nba nbb nbc nbe nbi nbk nbn nbs nbt nbu nca ncb ncc nce nci nck ncn ncs nct ncu ne- nea neb nec nee nei nek nen nes net neu nia nib nic nie nii nik nin nis nit niu nka nkc nke nki nkk nkn nks nkt nku nna nnb nnc nne nni nnk nnn nns nnt nnu nsa nsb nsc nse nsi nsk nsn nss nst nsu nta ntb ntc nte nti ntk ntn nts ntt ntu nua nub nuc nue nui nuk nun nus nut nuu saa sab sac sae sai sak san sas sat sau sba sbb sbc sbe sbi sbk sbn sbs sbt sbu sca scb scc sce sci sck scn scs sct scu se- sea seb sec see sei sek sen ses set seu sia sib sic sie sii sik sin sis sit siu sk- ska skb skc ske ski skk sks skt sku sna snb snc sne sni snk snn sns snt snu ss- ssa ssb ssc sse ssi ssk ssn sss sst ssu sta stb stc ste sti stk stn sts stt stu sua sub suc sue sui suk sun sus sut suu taa tab tac tae tai tak tan tas tat tau tba tbb tbc tbe tbi tbk tbn tbs tbt tbu tca tcb tcc tce tci tck tcn tcs tct tcu te- tea teb tec tee tei tek ten tes tet teu tia tib tic tie tii tik tin tis tit tiu tka tkb tkc tke tkk tks tkt tna tnb tnc tne tni tnk tnn tns tnt tsa tsb tsc tse tsi tsk tsn tss tst tsu tta ttb ttc tte tti ttk ttn tts ttt ttu tua tub tuc tue tui tuk tun tus tut tuu ua- uaa uab uac uae uai uak uan uas uat uau uba ubb ubc ube ubi ubk ubn ubs ubt ubu uca ucb ucc uce uci uck ucn ucs uct ucu uea ueb uec uee uei uen ues uet uia uib uic uie uii uin uis uit uiu uka ukb ukc uke uki ukk ukn uku un- una unb unc une uni unk unn uns unt unu usa usb usc use usi usk usn uss ust usu uta utb utc ute uti utk utn uts utt utu uua uuc uue uun uus uut uuu