-th a-a a-c a-t aaa aac aad aah aak aao aar aas aat ac- aca acc acd ach ack aco acr acs act ad- ada adc add adh adk ado adr ads adt aha ahc ahd ahh ahk aho ahr ahs aht aka akc akd akh akk ako akr aks aoa aoc aod aoh aok aoo aor aos aot ar- ara arc ard arh ark aro arr ars art as- asa asc asd ash ask aso asr ass ast at- ata atc atd ath ato atr ats att c-- caa cac cad cah cak cao car cas cat cca ccc ccd cch cck cco ccr ccs cct cda cdc cdd cdh cdk cdo cdr cds cdt ch- cha chc chd chh chk cho chr chs cht cka ckc ckd ckh cko cks ckt co- coa coc cod coh cok coo cor cos cot cra crc crd crh crk cro crr crs crt csa csc csd csh csk cso csr css cst cta ctc ctd cth ctk cto ctr cts ctt daa dac dad dah dak dao dar das dat dca dcc dcd dck dco dcr dcs dct dda ddc ddd ddh ddk ddo ddr dds ddt dh- dha dhc dhd dhh dhk dho dhr dhs dht dka dkc dkk dko dkr dks dkt doa doc dod doh dok doo dor dos dot dra drc drd drk dro drr drs drt dsa dsc dsd dsh dsk dso dsr dss dst dta dtc dtd dth dtk dto dtr dts dtt haa hac had hah hak hao har has hat hca hcc hcd hch hck hco hcr hcs hct hda hdc hdd hdh hdk hdo hdr hds hdt hha hhc hhd hhh hhk hho hhr hhs hht hka hkd hkh hkk hko hkr hks hkt hoa hoc hod hoh hok hoo hor hos hot hr- hra hrc hrd hrh hrk hro hrr hrs hrt hsa hsc hsd hsh hsk hsr hss hst hta htc htd hth htk hto htr hts htt k-t ka- kaa kac kad kah kak kao kar kas kat kca kcc kcd kch kck kcr kcs kct kda kdc kdh kdk kdo kdr kds kdt kha khh khk kho khr khs kkc kkh kkk kkr kks kkt koa koc kod koh kok koo kor kos kot kra krc krd krk kro krr krs krt ksa ksc ksd ksh ksk kso ksr kss kst kta ktc kth ktk kto ktr kts ktt oaa oac oad oah oak oao oar oas oat oc- oca occ ocd och ock oco ocr ocs oct oda odc odd odh odo odr ods odt oha ohc ohd ohh oho ohr ohs oht oka okc okd okk oko okr oks oo- ooa ooc ood ooh ook ooo oor oos oot or- ora orc ord orh ork oro orr ors ort os- osa osc osd osh osk oso osr oss ost ot- ota otc otd oth otk oto otr ots ott ra- raa rac rad rah rak rao rar ras rat rca rcc rcd rch rco rcr rcs rct rda rdc rdd rdh rdo rdr rds rdt rh- rha rhc rhd rhh rho rhr rhs rht rkc rkk rko rks rkt roa roc rod roh rok roo ror ros rot rra rrc rrd rrh rrk rrr rrs rrt rsa rsc rsd rsh rsk rso rsr rss rst rta rtc rtd rtk rto rtr rts rtt saa sac sad sah sak sao sar sas sat sca scc scd sch sck sco scr scs sct sda sdc sdd sdh sdk sdo sdr sds sdt sh- sha shc shd shh shk sho shr shs sht sk- ska skc skd skh skk sko skr sks skt soa soc sod soh sok soo sor sos sot sr- sra src srd srh srk sro srr srs srt ss- ssa ssc ssd ssh ssk sso ssr sss sst sta stc std sth stk sto str sts stt taa tac tad tah tak tao tar tas tat tca tcc tcd tch tck tco tcr tcs tct tda tdc tdd tdh tdk tdo tdr tds tdt th- tha thc thd thh thk tho thr ths tht tka tkc tkk tko tkr tks tkt to- toa toc tod toh tok too tor tos tot tra trc trd trh trk tro trr trs trt tsa tsc tsd tsh tsk tso tsr tss tst tta ttc ttd tth ttk tto ttr tts ttt