-ic a-a a-c a-i a-t aaa aac aad aai aak aar aat ac- aca acc acd aci ack acr act ad- ada adc add adi adk adr adt ai- aia aic aid aii aik air ait aka akc akd aki akk akr ar- ara arc ard ari ark arr art at- ata atc atd ati atr att c-- caa cac cad cai cak car cat cca ccc ccd cci cck ccr cct cda cdc cdd cdi cdk cdr cdt ci- cia cic cid cii cik cir cit cka ckc ckd cki ckt cra crc crd cri crk crr crt cta ctc ctd cti ctk ctr ctt daa dac dad dai dak dar dat dca dcc dcd dci dck dcr dct dda ddc ddd ddi ddk ddr ddt di- dia dic did dii dik dir dit dka dkc dki dkk dkr dkt dra drc drd dri drk drr drt dta dtc dtd dti dtk dtr dtt i-d ia- iaa iac iad iai iar iat ica icc icd ici ick icr ict ida idc idd idi idk idr idt iia iic iid iii iir iit ika ikc iki ikk ikr ikt ir- ira irc ird iri irk irr irt ita itc itd iti itk itt k-t ka- kaa kac kad kai kak kar kat kca kcc kcd kci kck kcr kct kda kdc kdk kdr kdt kia kic kid kii kik kir kit kkc kki kkk kkr kkt kra krc krd kri krk krr krt kta ktc ktk ktr ktt ra- raa rac rad rai rak rar rat rca rcc rcd rci rcr rct rda rdc rdd rdi rdr rdt ria ric rid rii rik rir rit rkc rkk rkt rra rrc rrd rri rrk rrr rrt rta rtc rtd rti rtk rtr rtt taa tac tad tai tak tar tat tca tcc tcd tci tck tcr tct tda tdc tdd tdi tdk tdr tdt tia tic tid tii tik tir tit tka tkc tkk tkr tkt tra trc trd tri trk trr trt tta ttc ttd tti ttk ttr ttt