-ic a-a a-c a-i a-t aaa aac aaf aag aai aak aan aao aar aat ac- aca acc acf acg aci ack acn aco acr act af- afa afc aff afg afi afk afn afo afr aft ag- aga agc agf agg agi agk agn ago agr agt ai- aia aic aif aig aii aik ain aio air ait aka akc akg aki akk akn ako akr an- ana anc anf ang ani ank ann ano anr ant aoa aoc aof aog aoi aok aon aoo aor aot ar- ara arc arf arg ari ark arn aro arr art at- ata atc atf atg ati atn ato atr att c-- caa cac caf cag cai cak can cao car cat cca ccc ccf ccg cci cck ccn cco ccr cct cfa cfc cff cfg cfi cfk cfn cfo cfr cft cga cgc cgg cgi cgn cgo cgr cgt ci- cia cic cif cig cii cik cin cio cir cit cka ckc cki cko ckt cn- cna cnc cnf cng cni cnn cno cnr cnt co- coa coc cof cog coi cok con coo cor cot cra crc crf crg cri crk crn cro crr crt cta ctc ctf ctg cti ctk ctn cto ctr ctt faa fac faf fag fai fak fan fao far fat fca fcc fcf fcg fci fck fcn fco fcr fct ffa ffc fff ffg ffi ffk ffn ffo ffr fft fga fgc fgf fgg fgi fgn fgr fgt fia fic fif fig fii fik fin fir fit fka fkc fkf fkg fki fkk fkt fna fnc fnf fng fni fnk fnn fnr fnt foa foc fof fog foi fok fon foo for fot fra frc frf frg fri frk frn fro frr frt fta ftc ftf ftg fti ftk ftn fto ftr ftt gaa gac gaf gag gai gak gan gao gar gat gca gcc gcf gcg gci gck gcn gco gcr gct gfa gfc gff gfi gfk gfo gfr gft gga ggc ggg ggi ggn ggo ggr ggt gia gic gif gig gii gik gin gio gir git gka gkn gko gkt gna gnc gnf gni gnn gno gnr gnt goa goc gof gog goi gok gon goo gor got gra grc grf grg gri grk grn gro grr grt gta gtc gtf gtg gti gtk gtn gto gtr gtt i-f ia- iaa iac iaf iag iai ian iao iar iat ica icc icf icg ici ick icn ico icr ict ifa ifc iff ifg ifi ifn ifo ifr ift iga igc igf igg igi igk ign igo igr igt iia iic iif iii iin iio iir iit ika ikc ikf iki ikk iko ikr ikt in- ina inc inf ing ini ink inn ino inr int io- ioa ioc iof iog ioi ion ioo ior iot ir- ira irc irf irg iri irk irn iro irr irt ita itc itf itg iti itk itn ito itt k-t ka- kaa kac kaf kag kai kak kan kao kar kat kca kcc kcg kci kck kcn kcr kct kfa kfc kff kfg kfi kfo kga kgc kgf kgi kgo kia kic kif kig kii kik kin kio kir kit kkc kki kkk kkn kkr kkt kn- kna knc knf kng kni knk knn kno knr knt koa koc kof kog koi kok kon koo kor kot kra krc krf krg kri krk krn kro krr krt kta ktc ktf ktg ktk ktn kto ktr ktt n-i naa nac naf nag nai nak nan nao nar nat nca ncc ncf ncg nci nck ncn nco ncr nct nfa nfc nff nfi nfk nfn nfo nfr nft nga ngc ngf ngg ngi ngk ngn ngo ngt nia nic nif nig nii nik nin nio nir nit nka nkc nkf nki nkk nkn nko nkr nkt nna nnc nnf nng nni nnk nnn nno nnt no- noa noc nof nog noi nok non noo nor not nra nrc nrf nrg nri nrk nrn nro nrr nrt nta ntc ntf ntg nti ntk ntn nto ntr ntt o-i oaa oac oaf oag oai oak oan oao oar oat oc- oca occ ocf ocg oci ock ocn oco ocr oct of- ofa ofc off ofg ofi ofn ofo ofr oft oga ogc ogf ogg ogi ogn ogo ogt oia oic oif oii oik oin oio oir oit oka okc okg oki okk oko okr on- ona onc onf ong oni onk onn ono onr ont oo- ooa ooc oof oog ooi ook oon ooo oor oot or- ora orc orf org ori ork orn oro orr ort ot- ota otc otf otg oti otk otn oto otr ott ra- raa rac raf rag rai rak ran rao rar rat rca rcc rcf rcg rci rcn rco rcr rct rfa rfc rff rfg rfi rfk rfn rfo rfr rft rga rgc rgf rgg rgi rgk rgn rgo rgr rgt ria ric rif rig rii rik rin rio rir rit rkc rkf rkg rkk rko rkt rna rnc rng rni rnn rno rnr rnt roa roc rof rog roi rok ron roo ror rot rra rrc rrf rrg rri rrk rrn rrr rrt rta rtc rtf rtg rti rtk rtn rto rtr rtt taa tac taf tag tai tak tan tao tar tat tca tcc tcf tcg tci tck tcn tco tcr tct tfa tfc tff tfg tfi tfk tfn tfo tfr tft tga tgc tgf tgg tgi tgk tgn tgo tgr tgt tia tic tif tig tii tik tin tio tir tit tka tkc tkg tkk tko tkr tkt tna tnc tnf tng tni tnk tnn tno tnr tnt to- toa toc tof tog toi tok ton too tor tot tra trc trf trg tri trk trn tro trr trt tta ttc ttf ttg tti ttk ttn tto ttr ttt