-ic a-a a-c a-i a-t aaa aac aaf aag aai aan aao aas aat aau ac- aca acc acf acg aci acn aco acs act acu af- afa afc aff afg afi afn afo afs aft afu ag- aga agc agf agg agi agn ago ags agt agu ai- aia aic aif aig aii ain aio ais ait aiu an- ana anc anf ang ani ann ano ans ant anu aoa aoc aof aog aoi aon aoo aos aot aou as- asa asc asf asg asi asn aso ass ast asu at- ata atc atf atg ati atn ato ats att atu au- aua auc auf aug aui aun auo aus aut c-- caa cac caf cag cai can cao cas cat cau cca ccc ccf ccg cci ccn cco ccs cct ccu cfa cfc cff cfg cfi cfn cfo cfs cft cfu cga cgc cgg cgi cgn cgo cgs cgt cgu ci- cia cic cif cig cii cin cio cis cit ciu cn- cna cnc cnf cng cni cnn cno cns cnt cnu co- coa coc cof cog coi con coo cos cot cou csa csc csf csg csi csn cso css cst csu cta ctc ctf ctg cti ctn cto cts ctt ctu cua cuc cuf cug cui cun cuo cus cut cuu faa fac faf fag fai fan fao fas fat fau fca fcc fcf fcg fci fcn fco fcs fct fcu ffa ffc fff ffg ffi ffn ffo ffs fft ffu fga fgc fgf fgg fgi fgn fgs fgt fia fic fif fig fii fin fis fit fiu fna fnc fnf fng fni fnn fns fnt fnu foa foc fof fog foi fon foo fos fot fou fsa fsc fsf fsg fsi fsn fso fss fst fsu fta ftc ftf ftg fti ftn fto fts ftt ftu fua fuf fug fui fun fuo fus fut fuu gaa gac gaf gag gai gan gao gas gat gau gca gcc gcf gcg gci gcn gco gcs gct gcu gfa gfc gff gfi gfo gfs gft gga ggc ggg ggi ggn ggo ggs ggt ggu gia gic gif gig gii gin gio gis git giu gna gnc gnf gni gnn gno gns gnt gnu goa goc gof gog goi gon goo gos got gou gsa gsc gsf gsg gsi gsn gso gss gst gsu gta gtc gtf gtg gti gtn gto gts gtt gtu gu- gua guc guf gug gui gun guo gus gut guu i-f ia- iaa iac iaf iag iai ian iao ias iat iau ica icc icf icg ici icn ico ics ict icu ifa ifc iff ifg ifi ifn ifo ifs ift ifu iga igc igf igg igi ign igo igs igt igu iia iic iif iii iin iio iis iit iiu in- ina inc inf ing ini inn ino ins int inu io- ioa ioc iof iog ioi ion ioo ios iot iou is- isa isc isf isg isi isn iso iss ist isu ita itc itf itg iti itn ito its itt itu iu- iua iuc iug iui ius iut n-i naa nac naf nag nai nan nao nas nat nau nca ncc ncf ncg nci ncn nco ncs nct ncu nfa nfc nff nfi nfn nfo nfs nft nfu nga ngc ngf ngg ngi ngn ngo ngs ngt ngu nia nic nif nig nii nin nio nis nit niu nna nnc nnf nng nni nnn nno nns nnt nnu no- noa noc nof nog noi non noo nos not nou nsa nsc nsf nsg nsi nsn nso nss nst nsu nta ntc ntf ntg nti ntn nto nts ntt ntu nua nuc nug nui nun nuo nus nut nuu o-i oaa oac oaf oag oai oan oao oas oat oau oc- oca occ ocf ocg oci ocn oco ocs oct ocu of- ofa ofc off ofg ofi ofn ofo ofs oft ofu oga ogc ogf ogg ogi ogn ogo ogs ogt oia oic oif oii oin oio ois oit oiu on- ona onc onf ong oni onn ono ons ont onu oo- ooa ooc oof oog ooi oon ooo oos oot os- osa osc osf osg osi osn oso oss ost osu ot- ota otc otf otg oti otn oto ots ott otu ou- oua ouc ouf oui oun ouo ous out saa sac saf sag sai san sao sas sat sau sca scc scf scg sci scn sco scs sct scu sfa sfc sff sfg sfi sfn sfo sfs sft sfu sga sgc sgf sgg sgi sgn sgo sgs sgt sgu sia sic sif sig sii sin sio sis sit siu sna snc snf sng sni snn sno sns snt snu soa soc sof sog soi son soo sos sot sou ss- ssa ssc ssf ssg ssi ssn sso sss sst ssu sta stc stf stg sti stn sto sts stt stu sua suc suf sug sui sun suo sus sut suu taa tac taf tag tai tan tao tas tat tau tca tcc tcf tcg tci tcn tco tcs tct tcu tfa tfc tff tfg tfi tfn tfo tfs tft tfu tga tgc tgf tgg tgi tgn tgo tgs tgt tgu tia tic tif tig tii tin tio tis tit tiu tna tnc tnf tng tni tnn tno tns tnt to- toa toc tof tog toi ton too tos tot tou tsa tsc tsf tsg tsi tsn tso tss tst tsu tta ttc ttf ttg tti ttn tto tts ttt ttu tua tuc tuf tug tui tun tuo tus tut tuu ua- uaa uac uaf uag uai uan uao uas uat uau uca ucc ucf ucg uci ucn uco ucs uct ucu ufa ufc uff ufg ufi ufn ufo ufs uft ufu uga ugc ugf ugg ugi ugn ugo ugs ugt ugu uia uic uif uig uii uin uio uis uit uiu un- una unc unf ung uni unn uno uns unt unu uoa uoc uog uon uoo uos uot usa usc usf usg usi usn uso uss ust usu uta utc utf uti utn uto uts utt utu uua