a-a a-c a-t aaa aac aaf aan aao aas aat aau ac- aca acc acf acn aco acs act acu af- afa afc aff afn afo afs aft afu an- ana anc anf ann ano ans ant anu aoa aoc aof aon aoo aos aot aou as- asa asc asf asn aso ass ast asu at- ata atc atf atn ato ats att atu au- aua auc auf aun auo aus aut c-- caa cac caf can cao cas cat cau cca ccc ccf ccn cco ccs cct ccu cfa cfc cff cfn cfo cfs cft cfu cn- cna cnc cnf cnn cno cns cnt cnu co- coa coc cof con coo cos cot cou csa csc csf csn cso css cst csu cta ctc ctf ctn cto cts ctt ctu cua cuc cuf cun cuo cus cut cuu faa fac faf fan fao fas fat fau fca fcc fcf fcn fco fcs fct fcu ffa ffc fff ffn ffo ffs fft ffu fna fnc fnf fnn fns fnt fnu foa foc fof fon foo fos fot fou fsa fsc fsf fsn fso fss fst fsu fta ftc ftf ftn fto fts ftt ftu fua fuf fun fuo fus fut fuu naa nac naf nan nao nas nat nau nca ncc ncf ncn nco ncs nct ncu nfa nfc nff nfn nfo nfs nft nfu nna nnc nnf nnn nno nns nnt nnu no- noa noc nof non noo nos not nou nsa nsc nsf nsn nso nss nst nsu nta ntc ntf ntn nto nts ntt ntu nua nuc nun nuo nus nut nuu oaa oac oaf oan oao oas oat oau oc- oca occ ocf ocn oco ocs oct ocu of- ofa ofc off ofn ofo ofs oft ofu on- ona onc onf onn ono ons ont onu oo- ooa ooc oof oon ooo oos oot os- osa osc osf osn oso oss ost osu ot- ota otc otf otn oto ots ott otu ou- oua ouc ouf oun ouo ous out saa sac saf san sao sas sat sau sca scc scf scn sco scs sct scu sfa sfc sff sfn sfo sfs sft sfu sna snc snf snn sno sns snt snu soa soc sof son soo sos sot sou ss- ssa ssc ssf ssn sso sss sst ssu sta stc stf stn sto sts stt stu sua suc suf sun suo sus sut suu taa tac taf tan tao tas tat tau tca tcc tcf tcn tco tcs tct tcu tfa tfc tff tfn tfo tfs tft tfu tna tnc tnf tnn tno tns tnt to- toa toc tof ton too tos tot tou tsa tsc tsf tsn tso tss tst tsu tta ttc ttf ttn tto tts ttt ttu tua tuc tuf tun tuo tus tut tuu ua- uaa uac uaf uan uao uas uat uau uca ucc ucf ucn uco ucs uct ucu ufa ufc uff ufn ufo ufs uft ufu un- una unc unf unn uno uns unt unu uoa uoc uon uoo uos uot usa usc usf usn uso uss ust usu uta utc utf utn uto uts utt utu uua uuc uun uus uut uuu