-ic a-a a-c a-i a-t aaa aac aad aai aao aap aas aat ac- aca acc acd aci aco acp acs act ad- ada adc add adi ado adp ads adt ai- aia aic aid aii aio aip ais ait aoa aoc aod aoi aoo aop aos aot ap- apa apc apd api apo app aps apt as- asa asc asd asi aso asp ass ast at- ata atc atd ati ato atp ats att c-- caa cac cad cai cao cap cas cat cca ccc ccd cci cco ccp ccs cct cda cdc cdd cdi cdo cdp cds cdt ci- cia cic cid cii cio cip cis cit co- coa coc cod coi coo cop cos cot cpa cpc cpd cpi cpo cpp cps cpt csa csc csd csi cso csp css cst cta ctc ctd cti cto ctp cts ctt daa dac dad dai dao dap das dat dca dcc dcd dci dco dcp dcs dct dda ddc ddd ddi ddo ddp dds ddt di- dia dic did dii dio dip dis dit doa doc dod doi doo dop dos dot dpa dpc dpd dpi dpo dpp dps dpt dsa dsc dsd dsi dso dsp dss dst dta dtc dtd dti dto dtp dts dtt i-d ia- iaa iac iad iai iao iap ias iat ica icc icd ici ico icp ics ict ida idc idd idi ido idp ids idt iia iic iid iii iio iip iis iit io- ioa ioc iod ioi ioo iop ios iot ipa ipc ipd ipi ipo ipp ips ipt is- isa isc isd isi iso isp iss ist ita itc itd iti ito itp its itt o-i oaa oac oad oai oao oap oas oat oc- oca occ ocd oci oco ocp ocs oct oda odc odd odi odo odp ods odt oia oic oid oii oio oip ois oit oo- ooa ooc ood ooi ooo oop oos oot op- opa opc opd opi opo opp ops opt os- osa osc osd osi oso osp oss ost ot- ota otc otd oti oto otp ots ott p-p paa pac pad pai pao pap pas pat pca pcc pcd pci pco pcp pcs pct pda pdc pdd pdi pdo pdp pds pdt pia pic pid pii pio pip pis pit poa poc pod poi poo pop pos pot ppa ppc ppd ppi ppo ppp pps ppt ps- psa psc psd psi pso psp pss pst pt- pta ptc ptd pti pto ptp pts ptt saa sac sad sai sao sap sas sat sca scc scd sci sco scp scs sct sda sdc sdd sdi sdo sdp sds sdt sia sic sid sii sio sip sis sit soa soc sod soi soo sop sos sot spa spc spd spi spo spp sps spt ss- ssa ssc ssd ssi sso ssp sss sst sta stc std sti sto stp sts stt taa tac tad tai tao tap tas tat tca tcc tcd tci tco tcp tcs tct tda tdc tdd tdi tdo tdp tds tdt tia tic tid tii tio tip tis tit to- toa toc tod toi too top tos tot tpa tpc tpd tpi tpo tpp tps tpt tsa tsc tsd tsi tso tsp tss tst tta ttc ttd tti tto ttp tts ttt