-er -ic a-a a-c a-i a-t aaa aac aae aag aai aak aan aap aar aat ac- aca acc ace acg aci ack acn acp acr act aea aec aee aeg aei aek aen aep aer aet ag- aga agc age agg agi agk agn agp agr agt ai- aia aic aie aig aii aik ain aip air ait aka akc ake akg aki akk akn akp akr an- ana anc ane ang ani ank ann anp anr ant ap- apa apc ape apg api apk apn app apr apt ar- ara arc are arg ari ark arn arp arr art at- ata atc ate atg ati atn atp atr att c-- caa cac cae cag cai cak can cap car cat cca ccc cce ccg cci cck ccn ccp ccr cct ce- cea cec cee ceg cei cek cen cep cer cet cga cgc cge cgg cgi cgn cgp cgr cgt ci- cia cic cie cig cii cik cin cip cir cit cka ckc cki ckt cn- cna cnc cne cng cni cnn cnp cnr cnt cpa cpc cpe cpg cpi cpk cpn cpp cpr cpt cra crc cre crg cri crk crn crp crr crt cta ctc cte ctg cti ctk ctn ctp ctr ctt eaa eac eae eag eai eak ean eap ear eat ec- eca ecc ece ecg eci eck ecn ecr ect eea eec eee eeg eek een eep eer eet ega egc ege egg egi egn egp egr egt eia eic eie eig eii eik ein eip eir eit eka ekc eke ekg eki ekp ekr ekt en- ena enc ene eng eni enk enn enp enr ent ep- epa epc epe epg epi epn epp epr ept era erc ere erg eri erk ern erp err ert eta etc ete etg eti etk etn etp etr ett g-p gaa gac gae gag gai gak gan gap gar gat gca gcc gce gcg gci gck gcn gcp gcr gct ge- gea gec gee geg gei gek gen gep ger get gga ggc ggg ggi ggn ggp ggr ggt gia gic gie gig gii gik gin gip gir git gka gkn gkp gkt gna gnc gne gni gnn gnp gnr gnt gpa gpc gpe gpg gpi gpk gpn gpp gpr gpt gra grc gre grg gri grk grn grp grr grt gta gtc gte gtg gti gtk gtn gtp gtr gtt ia- iaa iac iae iag iai ian iap iar iat ica icc ice icg ici ick icn icp icr ict ie- iea iec iee ieg iei iek ien iep ier iet iga igc ige igg igi igk ign igp igr igt iia iic iie iii iin iip iir iit ika ikc ike iki ikk ikr ikt in- ina inc ine ing ini ink inn inp inr int ipa ipc ipe ipg ipi ipn ipp ipr ipt ir- ira irc ire irg iri irk irn irp irr irt ita itc ite itg iti itk itn itp itt k-t ka- kaa kac kae kag kai kak kan kap kar kat kca kcc kce kcg kci kck kcn kcp kcr kct ke- kea kec kee keg kei kek ken kep ker ket kga kgc kgi kgp kia kic kie kig kii kik kin kip kir kit kkc kke kki kkk kkn kkp kkr kkt kn- kna knc kne kng kni knk knn knp knr knt kpa kpc kpe kpi kpk kpn kpp kpr kpt kra krc krg kri krk krn krp krr krt kta ktc kte ktg ktk ktn ktp ktr ktt n-i naa nac nae nag nai nak nan nap nar nat nca ncc nce ncg nci nck ncn ncp ncr nct ne- nea nec nee neg nei nek nen nep ner net nga ngc nge ngg ngi ngk ngn ngp ngt nia nic nie nig nii nik nin nip nir nit nka nkc nke nki nkk nkn nkp nkr nkt nna nnc nne nng nni nnk nnn nnp nnt npa npc npe npg npi npn npp npr npt nra nrc nre nrg nri nrk nrn nrp nrr nrt nta ntc nte ntg nti ntk ntn ntp ntr ntt p-p paa pac pae pag pai pak pan pap par pat pca pcc pce pcg pci pck pcn pcp pcr pct pea pec pee peg pei pek pen pep per pet pga pgc pge pgg pgi pgk pgn pgp pgr pgt pia pic pie pig pii pik pin pip pir pit pka pkc pke pkg pki pkn pkp pkr pkt pn- pna pnc pne png pni pnk pnn pnp pnr pnt ppa ppc ppe ppg ppi ppk ppn ppp ppr ppt pra prc pre prg pri prk prn prp prr prt pt- pta ptc pte ptg pti ptk ptn ptp ptr ptt ra- raa rac rae rag rai rak ran rap rar rat rca rcc rce rcg rci rcn rcp rcr rct re- rea rec ree reg rei rek ren rep rer ret rga rgc rge rgg rgi rgk rgn rgp rgr rgt ria ric rie rig rii rik rin rip rir rit rkc rke rkg rkk rkp rkt rna rnc rng rni rnn rnp rnr rnt rpa rpc rpe rpg rpi rpk rpn rpp rpr rpt rra rrc rrg rri rrk rrn rrp rrr rrt rta rtc rte rtg rti rtk rtn rtp rtr rtt taa tac tae tag tai tak tan tap tar tat tca tcc tce tcg tci tck tcn tcp tcr tct te- tea tec tee teg tei tek ten tep ter tet tga tgc tge tgg tgi tgk tgn tgp tgr tgt tia tic tie tig tii tik tin tip tir tit tka tkc tke tkg tkk tkp tkr tkt tna tnc tne tng tni tnk tnn tnp tnr tnt tpa tpc tpe tpg tpi tpk tpn tpp tpr tpt tra trc tre trg tri trk trn trp trr trt tta ttc tte ttg tti ttk ttn ttp ttr ttt