a-a a-c a-t aaa aac aad aak aao aar aas aat aau ac- aca acc acd ack aco acr acs act acu ad- ada adc add adk ado adr ads adt adu aka akc akd akk ako akr aks aku aoa aoc aod aok aoo aor aos aot aou ar- ara arc ard ark aro arr ars art aru as- asa asc asd ask aso asr ass ast asu at- ata atc atd ato atr ats att atu au- aua auc aud auk auo aur aus aut c-- caa cac cad cak cao car cas cat cau cca ccc ccd cck cco ccr ccs cct ccu cda cdc cdd cdk cdo cdr cds cdt cdu cka ckc ckd cko cks ckt co- coa coc cod cok coo cor cos cot cou cra crc crd crk cro crr crs crt cru csa csc csd csk cso csr css cst csu cta ctc ctd ctk cto ctr cts ctt ctu cua cuc cud cuk cuo cur cus cut cuu daa dac dad dak dao dar das dat dau dca dcc dcd dck dco dcr dcs dct dcu dda ddc ddd ddk ddo ddr dds ddt ddu dka dkc dkk dko dkr dks dkt dku doa doc dod dok doo dor dos dot dou dra drc drd drk dro drr drs drt dru dsa dsc dsd dsk dso dsr dss dst dsu dta dtc dtd dtk dto dtr dts dtt dtu dua duc dud duk duo dur dus dut k-t ka- kaa kac kad kak kao kar kas kat kau kca kcc kcd kck kcr kcs kct kcu kda kdc kdk kdo kdr kds kdt kdu kkc kkk kkr kks kkt kku koa koc kod kok koo kor kos kot kou kra krc krd krk kro krr krs krt kru ksa ksc ksd ksk kso ksr kss kst ksu kta ktc ktk kto ktr kts ktt ktu kuc kud kuk kur kus kut kuu oaa oac oad oak oao oar oas oat oau oc- oca occ ocd ock oco ocr ocs oct ocu oda odc odd odo odr ods odt odu oka okc okd okk oko okr oks oku oo- ooa ooc ood ook ooo oor oos oot or- ora orc ord ork oro orr ors ort oru os- osa osc osd osk oso osr oss ost osu ot- ota otc otd otk oto otr ots ott otu ou- oua ouc oud ouk ouo our ous out ra- raa rac rad rak rao rar ras rat rau rca rcc rcd rco rcr rcs rct rcu rda rdc rdd rdo rdr rds rdt rdu rkc rkk rko rks rkt rku roa roc rod rok roo ror ros rot rou rra rrc rrd rrk rrr rrs rrt rru rsa rsc rsd rsk rso rsr rss rst rsu rta rtc rtd rtk rto rtr rts rtt rtu rua ruc rud ruk ruo rur rus rut ruu saa sac sad sak sao sar sas sat sau sca scc scd sck sco scr scs sct scu sda sdc sdd sdk sdo sdr sds sdt sdu sk- ska skc skd skk sko skr sks skt sku soa soc sod sok soo sor sos sot sou sr- sra src srd srk sro srr srs srt ss- ssa ssc ssd ssk sso ssr sss sst ssu sta stc std stk sto str sts stt stu sua suc sud suk suo sur sus sut suu taa tac tad tak tao tar tas tat tau tca tcc tcd tck tco tcr tcs tct tcu tda tdc tdd tdk tdo tdr tds tdt tdu tka tkc tkk tko tkr tks tkt to- toa toc tod tok too tor tos tot tou tra trc trd trk tro trr trs trt tru tsa tsc tsd tsk tso tsr tss tst tsu tta ttc ttd ttk tto ttr tts ttt ttu tua tuc tud tuk tuo tur tus tut tuu ua- uaa uac uad uak uao uar uas uat uau uca ucc ucd uck uco ucr ucs uct ucu uda udc udd udk udo udr uds udt udu uka ukc ukk ukr uku uoa uoc uod uok uoo uor uos uot ur- ura urc urd urk uro urr urs urt uru usa usc usd usk uso usr uss ust usu uta utc utd utk uto utr uts utt utu uua uuc uur uus uut uuu