-er -ic a-a a-c a-i aaa aac aae aag aai aak aan aar aau ac- aca acc ace acg aci ack acn acr acu aea aec aee aeg aei aek aen aer aeu ag- aga agc age agg agi agk agn agr agu ai- aia aic aie aig aii aik ain air aiu aka akc ake akg aki akk akn akr aku an- ana anc ane ang ani ank ann anr anu ar- ara arc are arg ari ark arn arr aru au- aua auc aue aug aui auk aun aur c-- caa cac cae cag cai cak can car cau cca ccc cce ccg cci cck ccn ccr ccu ce- cea cec cee ceg cei cek cen cer ceu cga cgc cge cgg cgi cgn cgr cgu ci- cia cic cie cig cii cik cin cir ciu cka ckc cki cn- cna cnc cne cng cni cnn cnr cnu cra crc cre crg cri crk crn crr cru cua cuc cue cug cui cuk cun cur cuu eaa eac eae eag eai eak ean ear eau ec- eca ecc ece ecg eci eck ecn ecr ecu eea eec eee eeg eek een eer ega egc ege egg egi egn egr egu eia eic eie eig eii eik ein eir eiu eka ekc eke ekg eki ekr eku en- ena enc ene eng eni enk enn enr enu era erc ere erg eri erk ern err eru eu- eua euc eue eug eui eun eur gaa gac gae gag gai gak gan gar gau gca gcc gce gcg gci gck gcn gcr gcu ge- gea gec gee geg gei gek gen ger geu gga ggc ggg ggi ggn ggr ggu gia gic gie gig gii gik gin gir giu gka gkn gna gnc gne gni gnn gnr gnu gra grc gre grg gri grk grn grr gru gu- gua guc gue gug gui guk gun gur guu ia- iaa iac iae iag iai ian iar iau ica icc ice icg ici ick icn icr icu ie- iea iec iee ieg iei iek ien ier iga igc ige igg igi igk ign igr igu iia iic iie iii iin iir iiu ika ikc ike iki ikk ikr iku in- ina inc ine ing ini ink inn inr inu ir- ira irc ire irg iri irk irn irr iru iu- iua iuc iue iug iui iur ka- kaa kac kae kag kai kak kan kar kau kca kcc kce kcg kci kck kcn kcr kcu ke- kea kec kee keg kei kek ken ker kga kgc kgi kgu kia kic kie kig kii kik kin kir kiu kkc kke kki kkk kkn kkr kku kn- kna knc kne kng kni knk knn knr knu kra krc krg kri krk krn krr kru kuc kue kug kui kuk kun kur kuu n-i naa nac nae nag nai nak nan nar nau nca ncc nce ncg nci nck ncn ncr ncu ne- nea nec nee neg nei nek nen ner neu nga ngc nge ngg ngi ngk ngn ngu nia nic nie nig nii nik nin nir niu nka nkc nke nki nkk nkn nkr nku nna nnc nne nng nni nnk nnn nnu nra nrc nre nrg nri nrk nrn nrr nru nua nuc nue nug nui nuk nun nur nuu ra- raa rac rae rag rai rak ran rar rau rca rcc rce rcg rci rcn rcr rcu re- rea rec ree reg rei rek ren rer reu rga rgc rge rgg rgi rgk rgn rgr ria ric rie rig rii rik rin rir rkc rke rkg rkk rku rna rnc rng rni rnn rnr rnu rra rrc rrg rri rrk rrn rrr rru rua ruc rue rug rui ruk run rur ruu ua- uaa uac uae uag uai uak uan uar uau uca ucc uce ucg uci uck ucn ucr ucu uea uec uee ueg uei uen uer uga ugc uge ugg ugi ugk ugn ugr ugu uia uic uie uig uii uin uir uiu uka ukc uke uki ukk ukn ukr uku un- una unc une ung uni unk unn unr unu ur- ura urc ure urg uri urk urn urr uru uua uuc uue uug uun uur uuu