a-a a-c a-t aaa aac aak aan aao aar aat aau ac- aca acc ack acn aco acr act acu aka akc akk akn ako akr aku an- ana anc ank ann ano anr ant anu aoa aoc aok aon aoo aor aot aou ar- ara arc ark arn aro arr art aru at- ata atc atn ato atr att atu au- aua auc auk aun auo aur aut c-- caa cac cak can cao car cat cau cca ccc cck ccn cco ccr cct ccu cka ckc cko ckt cn- cna cnc cnn cno cnr cnt cnu co- coa coc cok con coo cor cot cou cra crc crk crn cro crr crt cru cta ctc ctk ctn cto ctr ctt ctu cua cuc cuk cun cuo cur cut cuu k-t ka- kaa kac kak kan kao kar kat kau kca kcc kck kcn kcr kct kcu kkc kkk kkn kkr kkt kku kn- kna knc knk knn kno knr knt knu koa koc kok kon koo kor kot kou kra krc krk krn kro krr krt kru kta ktc ktk ktn kto ktr ktt ktu kuc kuk kun kur kut kuu naa nac nak nan nao nar nat nau nca ncc nck ncn nco ncr nct ncu nka nkc nkk nkn nko nkr nkt nku nna nnc nnk nnn nno nnt nnu no- noa noc nok non noo nor not nou nra nrc nrk nrn nro nrr nrt nru nta ntc ntk ntn nto ntr ntt ntu nua nuc nuk nun nuo nur nut nuu oaa oac oak oan oao oar oat oau oc- oca occ ock ocn oco ocr oct ocu oka okc okk oko okr oku on- ona onc onk onn ono onr ont onu oo- ooa ooc ook oon ooo oor oot or- ora orc ork orn oro orr ort oru ot- ota otc otk otn oto otr ott otu ou- oua ouc ouk oun ouo our out ra- raa rac rak ran rao rar rat rau rca rcc rcn rco rcr rct rcu rkc rkk rko rkt rku rna rnc rnn rno rnr rnt rnu roa roc rok ron roo ror rot rou rra rrc rrk rrn rrr rrt rru rta rtc rtk rtn rto rtr rtt rtu rua ruc ruk run ruo rur rut ruu taa tac tak tan tao tar tat tau tca tcc tck tcn tco tcr tct tcu tka tkc tkk tko tkr tkt tna tnc tnk tnn tno tnr tnt to- toa toc tok ton too tor tot tou tra trc trk trn tro trr trt tru tta ttc ttk ttn tto ttr ttt ttu tua tuc tuk tun tuo tur tut tuu ua- uaa uac uak uan uao uar uat uau uca ucc uck ucn uco ucr uct ucu uka ukc ukk ukn ukr uku un- una unc unk unn uno unr unt unu uoa uoc uok uon uoo uor uot ur- ura urc urk urn uro urr urt uru uta utc utk utn uto utr utt utu uua uuc uun uur uut uuu