-er -ic a-a a-c a-i a-t aaa aac aad aae aai aak aao aar aas aat ac- aca acc acd ace aci ack aco acr acs act ad- ada adc add ade adi adk ado adr ads adt aea aec aed aee aei aek aeo aer aes aet ai- aia aic aid aie aii aik aio air ais ait aka akc akd ake aki akk ako akr aks aoa aoc aod aoe aoi aok aoo aor aos aot ar- ara arc ard are ari ark aro arr ars art as- asa asc asd ase asi ask aso asr ass ast at- ata atc atd ate ati ato atr ats att c-- caa cac cad cae cai cak cao car cas cat cca ccc ccd cce cci cck cco ccr ccs cct cda cdc cdd cde cdi cdk cdo cdr cds cdt ce- cea cec ced cee cei cek ceo cer ces cet ci- cia cic cid cie cii cik cio cir cis cit cka ckc ckd cki cko cks ckt co- coa coc cod coe coi cok coo cor cos cot cra crc crd cre cri crk cro crr crs crt csa csc csd cse csi csk cso csr css cst cta ctc ctd cte cti ctk cto ctr cts ctt daa dac dad dae dai dak dao dar das dat dca dcc dcd dce dci dck dco dcr dcs dct dda ddc ddd dde ddi ddk ddo ddr dds ddt de- dea dec ded dee dei dek deo der des det di- dia dic did die dii dik dio dir dis dit dka dkc dke dki dkk dko dkr dks dkt doa doc dod doe doi dok doo dor dos dot dra drc drd dre dri drk dro drr drs drt dsa dsc dsd dse dsi dsk dso dsr dss dst dta dtc dtd dte dti dtk dto dtr dts dtt eaa eac ead eae eai eak eao ear eas eat ec- eca ecc ecd ece eci eck eco ecr ecs ect ed- eda edc edd ede edi edk edo edr eds edt eea eec eed eee eek eeo eer ees eet eia eic eid eie eii eik eio eir eis eit eka ekc ekd eke eki eko ekr eks ekt eo- eoa eoc eod eoe eoi eok eoo eor eos eot era erc erd ere eri erk ero err ers ert es- esa esc esd ese esi esk eso esr ess est eta etc etd ete eti etk eto etr ets ett i-d ia- iaa iac iad iae iai iao iar ias iat ica icc icd ice ici ick ico icr ics ict ida idc idd ide idi idk ido idr ids idt ie- iea iec ied iee iei iek ier ies iet iia iic iid iie iii iio iir iis iit ika ikc ike iki ikk iko ikr iks ikt io- ioa ioc iod ioe ioi ioo ior ios iot ir- ira irc ird ire iri irk iro irr irs irt is- isa isc isd ise isi isk iso isr iss ist ita itc itd ite iti itk ito its itt k-t ka- kaa kac kad kae kai kak kao kar kas kat kca kcc kcd kce kci kck kcr kcs kct kda kdc kde kdk kdo kdr kds kdt ke- kea kec ked kee kei kek keo ker kes ket kia kic kid kie kii kik kio kir kis kit kkc kke kki kkk kkr kks kkt koa koc kod koe koi kok koo kor kos kot kra krc krd kri krk kro krr krs krt ksa ksc ksd kse ksi ksk kso ksr kss kst kta ktc kte ktk kto ktr kts ktt o-i oaa oac oad oae oai oak oao oar oas oat oc- oca occ ocd oci ock oco ocr ocs oct oda odc odd ode odi odo odr ods odt oea oec oed oee oei oeo oer oes oet oia oic oid oie oii oik oio oir ois oit oka okc okd oke oki okk oko okr oks oo- ooa ooc ood ooi ook ooo oor oos oot or- ora orc ord ore ori ork oro orr ors ort os- osa osc osd ose osi osk oso osr oss ost ot- ota otc otd ote oti otk oto otr ots ott ra- raa rac rad rae rai rak rao rar ras rat rca rcc rcd rce rci rco rcr rcs rct rda rdc rdd rde rdi rdo rdr rds rdt re- rea rec red ree rei rek reo rer res ret ria ric rid rie rii rik rio rir ris rit rkc rke rkk rko rks rkt roa roc rod roe roi rok roo ror ros rot rra rrc rrd rri rrk rrr rrs rrt rsa rsc rsd rse rsi rsk rso rsr rss rst rta rtc rtd rte rti rtk rto rtr rts rtt saa sac sad sae sai sak sao sar sas sat sca scc scd sce sci sck sco scr scs sct sda sdc sdd sde sdi sdk sdo sdr sds sdt se- sea sec sed see sei sek seo ser ses set sia sic sid sie sii sik sio sir sis sit sk- ska skc skd ske ski skk sko skr sks skt soa soc sod soe soi sok soo sor sos sot sr- sra src srd sre sri srk sro srr srs srt ss- ssa ssc ssd sse ssi ssk sso ssr sss sst sta stc std ste sti stk sto str sts stt taa tac tad tae tai tak tao tar tas tat tca tcc tcd tce tci tck tco tcr tcs tct tda tdc tdd tde tdi tdk tdo tdr tds tdt te- tea tec ted tee tei tek teo ter tes tet tia tic tid tie tii tik tio tir tis tit tka tkc tke tkk tko tkr tks tkt to- toa toc tod toe toi tok too tor tos tot tra trc trd tre tri trk tro trr trs trt tsa tsc tsd tse tsi tsk tso tsr tss tst tta ttc ttd