-ic a-a a-b a-c a-i a-t aaa aab aac aae aai aak aan aao aas aat aau ab- aba abb abc abe abi abk abn abo abs abt abu ac- aca acb acc ace aci ack acn aco acs act acu aea aeb aec aee aei aek aen aeo aes aet aeu ai- aia aib aic aie aii aik ain aio ais ait aiu aka akb akc ake aki akk akn ako aks aku an- ana anb anc ane ani ank ann ano ans ant anu aoa aob aoc aoe aoi aok aon aoo aos aot aou as- asa asb asc ase asi ask asn aso ass ast asu at- ata atb atc ate ati atn ato ats att atu au- aua aub auc aue aui auk aun auo aus aut b-u baa bab bac bae bai bak ban bao bas bat bau bba bbb bbc bbe bbi bbk bbn bbo bbs bbt bbu bca bcb bcc bce bci bck bcn bco bcs bct bcu be- bea beb bec bee bei bek ben beo bes bet beu bi- bia bib bic bie bii bik bin bio bis bit biu bka bkb bkc bke bkk bkn bko bks bkt bna bnb bnc bne bni bnk bnn bno bns bnt bnu boa bob boc boe boi bok bon boo bos bot bou bsa bsb bsc bse bsi bsk bsn bso bss bst bsu bta btb btc bte bti btk btn bto bts btt btu bua bub buc bue bui buk bun buo bus but buu c-- caa cab cac cae cai cak can cao cas cat cau cba cbb cbc cbe cbi cbk cbn cbo cbs cbt cbu cca ccb ccc cce cci cck ccn cco ccs cct ccu ce- cea ceb cec cee cei cek cen ceo ces cet ceu ci- cia cib cic cie cii cik cin cio cis cit ciu cka ckb ckc cki cko cks ckt cn- cna cnb cnc cne cni cnn cno cns cnt cnu co- coa cob coc coe coi cok con coo cos cot cou csa csb csc cse csi csk csn cso css cst csu cta ctb ctc cte cti ctk ctn cto cts ctt ctu cua cub cuc cue cui cuk cun cuo cus cut cuu eaa eab eac eae eai eak ean eao eas eat eau eba ebb ebc ebe ebi ebk ebn ebo ebs ebt ebu ec- eca ecb ecc ece eci eck ecn eco ecs ect ecu eea eeb eec eee eek een eeo ees eet eia eib eic eie eii eik ein eio eis eit eiu eka ekb ekc eke eki eko eks ekt eku en- ena enb enc ene eni enk enn eno ens ent enu eo- eoa eob eoc eoe eoi eok eon eoo eos eot eou es- esa esb esc ese esi esk esn eso ess est esu eta etb etc ete eti etk etn eto ets ett etu eu- eua eub euc eue eui eun eus eut ia- iaa iab iac iae iai ian iao ias iat iau iba ibb ibc ibe ibi ibk ibn ibo ibs ibt ibu ica icb icc ice ici ick icn ico ics ict icu ie- iea iec iee iei iek ien ies iet iia iib iic iie iii iin iio iis iit iiu ika ikb ikc ike iki ikk iko iks ikt iku in- ina inb inc ine ini ink inn ino ins int inu io- ioa iob ioc ioe ioi ion ioo ios iot iou is- isa isb isc ise isi isk isn iso iss ist isu ita itb itc ite iti itk itn ito its itt itu iu- iua iub iuc iue iui ius iut k-t ka- kaa kab kac kae kai kak kan kao kas kat kau kba kbb kbc kbe kbi kbk kbn kbo kbs kbu kca kcb kcc kce kci kck kcn kcs kct kcu ke- kea keb kec kee kei kek ken keo kes ket kia kib kic kie kii kik kin kio kis kit kiu kkb kkc kke kki kkk kkn kks kkt kku kn- kna knc kne kni knk knn kno knt knu koa kob koc koe koi kok kon koo kos kot kou ksa ksb ksc kse ksi ksk ksn kso kss kst ksu kta ktb ktc kte ktk ktn kto kts ktt ktu kub kuc kue kui kuk kun kus kut kuu n-i naa nab nac nae nai nak nan nao nas nat nau nba nbb nbc nbe nbi nbk nbn nbo nbs nbt nbu nca ncb ncc nce nci nck ncn nco ncs nct ncu ne- nea neb nec nee nei nek nen neo nes net neu nia nib nic nie nii nik nin nio nis nit niu nka nkc nke nki nkk nkn nko nks nkt nku nna nnb nnc nne nni nnk nnn nno nns nnt nnu no- noa nob noc noe noi nok non noo nos not nou nsa nsb nsc nse nsi nsk nsn nso nss nst nsu nta ntb ntc nte nti ntk ntn nto nts ntt ntu nua nub nuc nue nui nuk nun nuo nus nut nuu o-i oaa oab oac oae oai oak oan oao oas oat oau ob- oba obb obc obe obi obk obn obo obs obt obu oc- oca ocb occ oci ock ocn oco ocs oct ocu oea oeb oec oee oei oen oeo oes oet oia oib oic oie oii oik oin oio ois oit oiu oka okb okc oke oki okk oko oks oku on- ona onb onc one oni onk onn ono ons ont onu oo- ooa oob ooc ooi ook oon ooo oos oot os- osa osb osc ose osi osk osn oso oss ost osu ot- ota otb otc ote oti otk otn oto ots ott otu ou- oua ouc oue oui ouk oun ouo ous out saa sab sac sae sai sak san sao sas sat sau sba sbb sbc sbe sbi sbk sbn sbo sbs sbt sbu sca scb scc sce sci sck scn sco scs sct scu