-ic a-a a-c a-i a-t aaa aac aad aai aao aar aas aat ac- aca acc acd aci aco acr acs act ad- ada adc add adi ado adr ads adt ai- aia aic aid aii aio air ais ait aoa aoc aod aoi aoo aor aos aot ar- ara arc ard ari aro arr ars art as- asa asc asd asi aso asr ass ast at- ata atc atd ati ato atr ats att c-- caa cac cad cai cao car cas cat cca ccc ccd cci cco ccr ccs cct cda cdc cdd cdi cdo cdr cds cdt ci- cia cic cid cii cio cir cis cit co- coa coc cod coi coo cor cos cot cra crc crd cri cro crr crs crt csa csc csd csi cso csr css cst cta ctc ctd cti cto ctr cts ctt daa dac dad dai dao dar das dat dca dcc dcd dci dco dcr dcs dct dda ddc ddd ddi ddo ddr dds ddt di- dia dic did dii dio dir dis dit doa doc dod doi doo dor dos dot dra drc drd dri dro drr drs drt dsa dsc dsd dsi dso dsr dss dst dta dtc dtd dti dto dtr dts dtt i-d ia- iaa iac iad iai iao iar ias iat ica icc icd ici ico icr ics ict ida idc idd idi ido idr ids idt iia iic iid iii iio iir iis iit io- ioa ioc iod ioi ioo ior ios iot ir- ira irc ird iri iro irr irs irt is- isa isc isd isi iso isr iss ist ita itc itd iti ito its itt o-i oaa oac oad oai oao oar oas oat oc- oca occ ocd oci oco ocr ocs oct oda odc odd odi odo odr ods odt oia oic oid oii oio oir ois oit oo- ooa ooc ood ooi ooo oor oos oot or- ora orc ord ori oro orr ors ort os- osa osc osd osi oso osr oss ost ot- ota otc otd oti oto otr ots ott ra- raa rac rad rai rao rar ras rat rca rcc rcd rci rco rcr rcs rct rda rdc rdd rdi rdo rdr rds rdt ria ric rid rii rio rir ris rit roa roc rod roi roo ror ros rot rra rrc rrd rri rrr rrs rrt rsa rsc rsd rsi rso rsr rss rst rta rtc rtd rti rto rtr rts rtt saa sac sad sai sao sar sas sat sca scc scd sci sco scr scs sct sda sdc sdd sdi sdo sdr sds sdt sia sic sid sii sio sir sis sit soa soc sod soi soo sor sos sot sr- sra src srd sri sro srr srs srt ss- ssa ssc ssd ssi sso ssr sss sst sta stc std sti sto str sts stt taa tac tad tai tao tar tas tat tca tcc tcd tci tco tcr tcs tct tda tdc tdd tdi tdo tdr tds tdt tia tic tid tii tio tir tis tit to- toa toc tod toi too tor tos tot tra trc trd tri tro trr trs trt tsa tsc tsd tsi tso tsr tss tst tta ttc ttd tti tto ttr tts ttt