a-a a-c a-t aaa aac aaf aak aar aas aat aau ac- aca acc acf ack acr acs act acu af- afa afc aff afk afr afs aft afu aka akc akk akr aks aku ar- ara arc arf ark arr ars art aru as- asa asc asf ask asr ass ast asu at- ata atc atf atr ats att atu au- aua auc auf auk aur aus aut c-- caa cac caf cak car cas cat cau cca ccc ccf cck ccr ccs cct ccu cfa cfc cff cfk cfr cfs cft cfu cka ckc cks ckt cra crc crf crk crr crs crt cru csa csc csf csk csr css cst csu cta ctc ctf ctk ctr cts ctt ctu cua cuc cuf cuk cur cus cut cuu faa fac faf fak far fas fat fau fca fcc fcf fck fcr fcs fct fcu ffa ffc fff ffk ffr ffs fft ffu fka fkc fkf fkk fkt fra frc frf frk frr frs frt fru fsa fsc fsf fsk fsr fss fst fsu fta ftc ftf ftk ftr fts ftt ftu fua fuf fuk fur fus fut fuu k-t ka- kaa kac kaf kak kar kas kat kau kca kcc kck kcr kcs kct kcu kfa kfc kff kfs kfu kkc kkk kkr kks kkt kku kra krc krf krk krr krs krt kru ksa ksc ksf ksk ksr kss kst ksu kta ktc ktf ktk ktr kts ktt ktu kuc kuk kur kus kut kuu ra- raa rac raf rak rar ras rat rau rca rcc rcf rcr rcs rct rcu rfa rfc rff rfk rfr rfs rft rfu rkc rkf rkk rks rkt rku rra rrc rrf rrk rrr rrs rrt rru rsa rsc rsf rsk rsr rss rst rsu rta rtc rtf rtk rtr rts rtt rtu rua ruc ruf ruk rur rus rut ruu saa sac saf sak sar sas sat sau sca scc scf sck scr scs sct scu sfa sfc sff sfk sfr sfs sft sfu sk- ska skc skf skk skr sks skt sku sr- sra src srf srk srr srs srt ss- ssa ssc ssf ssk ssr sss sst ssu sta stc stf stk str sts stt stu sua suc suf suk sur sus sut suu taa tac taf tak tar tas tat tau tca tcc tcf tck tcr tcs tct tcu tfa tfc tff tfk tfr tfs tft tfu tka tkc tkk tkr tks tkt tra trc trf trk trr trs trt tru tsa tsc tsf tsk tsr tss tst tsu tta ttc ttf ttk ttr tts ttt ttu tua tuc tuf tuk tur tus tut tuu ua- uaa uac uaf uak uar uas uat uau uca ucc ucf uck ucr ucs uct ucu ufa ufc uff ufr ufs uft ufu uka ukc ukf ukk ukr uku ur- ura urc urf urk urr urs urt uru usa usc usf usk usr uss ust usu uta utc utf utk utr uts utt utu uua uuc uur uus uut uuu