-er -ic a-a a-c a-i aaa aac aad aae aai aak aar aau ac- aca acc acd ace aci ack acr acu ad- ada adc add ade adi adk adr adu aea aec aed aee aei aek aer aeu ai- aia aic aid aie aii aik air aiu aka akc akd ake aki akk akr aku ar- ara arc ard are ari ark arr aru au- aua auc aud aue aui auk aur c-- caa cac cad cae cai cak car cau cca ccc ccd cce cci cck ccr ccu cda cdc cdd cde cdi cdk cdr cdu ce- cea cec ced cee cei cek cer ceu ci- cia cic cid cie cii cik cir ciu cka ckc ckd cki cra crc crd cre cri crk crr cru cua cuc cud cue cui cuk cur cuu daa dac dad dae dai dak dar dau dca dcc dcd dce dci dck dcr dcu dda ddc ddd dde ddi ddk ddr ddu de- dea dec ded dee dei dek der deu di- dia dic did die dii dik dir diu dka dkc dke dki dkk dkr dku dra drc drd dre dri drk drr dru dua duc dud due dui duk dur eaa eac ead eae eai eak ear eau ec- eca ecc ecd ece eci eck ecr ecu ed- eda edc edd ede edi edk edr edu eea eec eed eee eek eer eia eic eid eie eii eik eir eiu eka ekc ekd eke eki ekr eku era erc erd ere eri erk err eru eu- eua euc eud eue eui eur i-d ia- iaa iac iad iae iai iar iau ica icc icd ice ici ick icr icu ida idc idd ide idi idk idr idu ie- iea iec ied iee iei iek ier iia iic iid iie iii iir iiu ika ikc ike iki ikk ikr iku ir- ira irc ird ire iri irk irr iru iu- iua iuc iud iue iui iur ka- kaa kac kad kae kai kak kar kau kca kcc kcd kce kci kck kcr kcu kda kdc kde kdk kdr kdu ke- kea kec ked kee kei kek ker kia kic kid kie kii kik kir kiu kkc kke kki kkk kkr kku kra krc krd kri krk krr kru kuc kud kue kui kuk kur kuu ra- raa rac rad rae rai rak rar rau rca rcc rcd rce rci rcr rcu rda rdc rdd rde rdi rdr rdu re- rea rec red ree rei rek rer reu ria ric rid rie rii rik rir rkc rke rkk rku rra rrc rrd rri rrk rrr rru rua ruc rud rue rui ruk rur ruu ua- uaa uac uad uae uai uak uar uau uca ucc ucd uce uci uck ucr ucu uda udc udd ude udi udk udr udu uea uec ued uee uei uer uia uic uid uie uii uir uiu uka ukc uke uki ukk ukr uku ur- ura urc urd ure uri urk urr uru uua uuc uue uur uuu