-er -ic a-a a-c a-i a-t aaa aac aad aae aai aak aao aar aat ac- aca acc acd ace aci ack aco acr act ad- ada adc add ade adi adk ado adr adt aea aec aed aee aei aek aeo aer aet ai- aia aic aid aie aii aik aio air ait aka akc akd ake aki akk ako akr aoa aoc aod aoe aoi aok aoo aor aot ar- ara arc ard are ari ark aro arr art at- ata atc atd ate ati ato atr att c-- caa cac cad cae cai cak cao car cat cca ccc ccd cce cci cck cco ccr cct cda cdc cdd cde cdi cdk cdo cdr cdt ce- cea cec ced cee cei cek ceo cer cet ci- cia cic cid cie cii cik cio cir cit cka ckc ckd cki cko ckt co- coa coc cod coe coi cok coo cor cot cra crc crd cre cri crk cro crr crt cta ctc ctd cte cti ctk cto ctr ctt daa dac dad dae dai dak dao dar dat dca dcc dcd dce dci dck dco dcr dct dda ddc ddd dde ddi ddk ddo ddr ddt de- dea dec ded dee dei dek deo der det di- dia dic did die dii dik dio dir dit dka dkc dke dki dkk dko dkr dkt doa doc dod doe doi dok doo dor dot dra drc drd dre dri drk dro drr drt dta dtc dtd dte dti dtk dto dtr dtt eaa eac ead eae eai eak eao ear eat ec- eca ecc ecd ece eci eck eco ecr ect ed- eda edc edd ede edi edk edo edr edt eea eec eed eee eek eeo eer eet eia eic eid eie eii eik eio eir eit eka ekc ekd eke eki eko ekr ekt eo- eoa eoc eod eoe eoi eok eoo eor eot era erc erd ere eri erk ero err ert eta etc etd ete eti etk eto etr ett i-d ia- iaa iac iad iae iai iao iar iat ica icc icd ice ici ick ico icr ict ida idc idd ide idi idk ido idr idt ie- iea iec ied iee iei iek ier iet iia iic iid iie iii iio iir iit ika ikc ike iki ikk iko ikr ikt io- ioa ioc iod ioe ioi ioo ior iot ir- ira irc ird ire iri irk iro irr irt ita itc itd ite iti itk ito itt k-t ka- kaa kac kad kae kai kak kao kar kat kca kcc kcd kce kci kck kcr kct kda kdc kde kdk kdo kdr kdt ke- kea kec ked kee kei kek keo ker ket kia kic kid kie kii kik kio kir kit kkc kke kki kkk kkr kkt koa koc kod koe koi kok koo kor kot kra krc krd kri krk kro krr krt kta ktc kte ktk kto ktr ktt o-i oaa oac oad oae oai oak oao oar oat oc- oca occ ocd oci ock oco ocr oct oda odc odd ode odi odo odr odt oea oec oed oee oei oeo oer oet oia oic oid oie oii oik oio oir oit oka okc okd oke oki okk oko okr oo- ooa ooc ood ooi ook ooo oor oot or- ora orc ord ore ori ork oro orr ort ot- ota otc otd ote oti otk oto otr ott ra- raa rac rad rae rai rak rao rar rat rca rcc rcd rce rci rco rcr rct rda rdc rdd rde rdi rdo rdr rdt re- rea rec red ree rei rek reo rer ret ria ric rid rie rii rik rio rir rit rkc rke rkk rko rkt roa roc rod roe roi rok roo ror rot rra rrc rrd rri rrk rrr rrt rta rtc rtd rte rti rtk rto rtr rtt taa tac tad tae tai tak tao tar tat tca tcc tcd tce tci tck tco tcr tct tda tdc tdd tde tdi tdk tdo tdr tdt te- tea tec ted tee tei tek teo ter tet tia tic tid tie tii tik tio tir tit tka tkc tke tkk tko tkr tkt to- toa toc tod toe toi tok too tor tot tra trc trd tre tri trk tro trr trt tta ttc ttd tte tti ttk tto ttr ttt