-ic a-a a-c a-i a-t aaa aac aad aai aak aar aas aat ac- aca acc acd aci ack acr acs act ad- ada adc add adi adk adr ads adt ai- aia aic aid aii aik air ais ait aka akc akd aki akk akr aks ar- ara arc ard ari ark arr ars art as- asa asc asd asi ask asr ass ast at- ata atc atd ati atr ats att c-- caa cac cad cai cak car cas cat cca ccc ccd cci cck ccr ccs cct cda cdc cdd cdi cdk cdr cds cdt ci- cia cic cid cii cik cir cis cit cka ckc ckd cki cks ckt cra crc crd cri crk crr crs crt csa csc csd csi csk csr css cst cta ctc ctd cti ctk ctr cts ctt daa dac dad dai dak dar das dat dca dcc dcd dci dck dcr dcs dct dda ddc ddd ddi ddk ddr dds ddt di- dia dic did dii dik dir dis dit dka dkc dki dkk dkr dks dkt dra drc drd dri drk drr drs drt dsa dsc dsd dsi dsk dsr dss dst dta dtc dtd dti dtk dtr dts dtt i-d ia- iaa iac iad iai iar ias iat ica icc icd ici ick icr ics ict ida idc idd idi idk idr ids idt iia iic iid iii iir iis iit ika ikc iki ikk ikr iks ikt ir- ira irc ird iri irk irr irs irt is- isa isc isd isi isk isr iss ist ita itc itd iti itk its itt k-t ka- kaa kac kad kai kak kar kas kat kca kcc kcd kci kck kcr kcs kct kda kdc kdk kdr kds kdt kia kic kid kii kik kir kis kit kkc kki kkk kkr kks kkt kra krc krd kri krk krr krs krt ksa ksc ksd ksi ksk ksr kss kst kta ktc ktk ktr kts ktt ra- raa rac rad rai rak rar ras rat rca rcc rcd rci rcr rcs rct rda rdc rdd rdi rdr rds rdt ria ric rid rii rik rir ris rit rkc rkk rks rkt rra rrc rrd rri rrk rrr rrs rrt rsa rsc rsd rsi rsk rsr rss rst rta rtc rtd rti rtk rtr rts rtt saa sac sad sai sak sar sas sat sca scc scd sci sck scr scs sct sda sdc sdd sdi sdk sdr sds sdt sia sic sid sii sik sir sis sit sk- ska skc skd ski skk skr sks skt sr- sra src srd sri srk srr srs srt ss- ssa ssc ssd ssi ssk ssr sss sst sta stc std sti stk str sts stt taa tac tad tai tak tar tas tat tca tcc tcd tci tck tcr tcs tct tda tdc tdd tdi tdk tdr tds tdt tia tic tid tii tik tir tis tit tka tkc tkk tkr tks tkt tra trc trd tri trk trr trs trt tsa tsc tsd tsi tsk tsr tss tst tta ttc ttd tti ttk ttr tts ttt