-th a-a a-c a-t aaa aac aad aah aak aar aat ac- aca acc acd ach ack acr act ad- ada adc add adh adk adr adt aha ahc ahd ahh ahk ahr aht aka akc akd akh akk akr ar- ara arc ard arh ark arr art at- ata atc atd ath atr att c-- caa cac cad cah cak car cat cca ccc ccd cch cck ccr cct cda cdc cdd cdh cdk cdr cdt ch- cha chc chd chh chk chr cht cka ckc ckd ckh ckt cra crc crd crh crk crr crt cta ctc ctd cth ctk ctr ctt daa dac dad dah dak dar dat dca dcc dcd dck dcr dct dda ddc ddd ddh ddk ddr ddt dh- dha dhc dhd dhh dhk dhr dht dka dkc dkk dkr dkt dra drc drd drk drr drt dta dtc dtd dth dtk dtr dtt haa hac had hah hak har hat hca hcc hcd hch hck hcr hct hda hdc hdd hdh hdk hdr hdt hha hhc hhd hhh hhk hhr hht hka hkd hkh hkk hkr hkt hr- hra hrc hrd hrh hrk hrr hrt hta htc htd hth htk htr htt k-t ka- kaa kac kad kah kak kar kat kca kcc kcd kch kck kcr kct kda kdc kdh kdk kdr kdt kha khh khk khr kkc kkh kkk kkr kkt kra krc krd krk krr krt kta ktc kth ktk ktr ktt ra- raa rac rad rah rak rar rat rca rcc rcd rch rcr rct rda rdc rdd rdh rdr rdt rh- rha rhc rhd rhh rhr rht rkc rkk rkt rra rrc rrd rrh rrk rrr rrt rta rtc rtd rtk rtr rtt taa tac tad tah tak tar tat tca tcc tcd tch tck tcr tct tda tdc tdd tdh tdk tdr tdt th- tha thc thd thh thk thr tht tka tkc tkk tkr tkt tra trc trd trh trk trr trt tta ttc ttd tth ttk ttr ttt