a-a a-c aaa aac aak aan aao aar aau aav ac- aca acc ack acn aco acr acu acv aka akc akk akn ako akr aku akv an- ana anc ank ann ano anr anu anv aoa aoc aok aon aoo aor aou aov ar- ara arc ark arn aro arr aru arv au- aua auc auk aun auo aur auv av- ava avc avk avn avo avr avu c-- caa cac cak can cao car cau cav cca ccc cck ccn cco ccr ccu ccv cka ckc cko cn- cna cnc cnn cno cnr cnu cnv co- coa coc cok con coo cor cou cov cra crc crk crn cro crr cru crv cua cuc cuk cun cuo cur cuu cuv cva cvc cvk cvn cvo cvr cvu cvv ka- kaa kac kak kan kao kar kau kav kca kcc kck kcn kcr kcu kkc kkk kkn kkr kku kkv kn- kna knc knk knn kno knr knu koa koc kok kon koo kor kou kra krc krk krn kro krr kru krv kuc kuk kun kur kuu kva kvk kvn kvo kvr kvv naa nac nak nan nao nar nau nav nca ncc nck ncn nco ncr ncu ncv nka nkc nkk nkn nko nkr nku nna nnc nnk nnn nno nnu nnv no- noa noc nok non noo nor nou nov nra nrc nrk nrn nro nrr nru nrv nua nuc nuk nun nuo nur nuu nuv nva nvc nvk nvn nvu nvv oaa oac oak oan oao oar oau oav oc- oca occ ock ocn oco ocr ocu ocv oka okc okk oko okr oku on- ona onc onk onn ono onr onu oo- ooa ooc ook oon ooo oor oov or- ora orc ork orn oro orr oru orv ou- oua ouc ouk oun ouo our ov- ova ovc ovo ovv ra- raa rac rak ran rao rar rau rav rca rcc rcn rco rcr rcu rcv rkc rkk rko rku rkv rna rnc rnn rno rnr rnu rnv roa roc rok ron roo ror rou rov rra rrc rrk rrn rrr rru rua ruc ruk run ruo rur ruu ruv rva rvc rvn rvo rvr rvu rvv ua- uaa uac uak uan uao uar uau uav uca ucc uck ucn uco ucr ucu ucv uka ukc ukk ukn ukr uku un- una unc unk unn uno unr unu unv uoa uoc uok uon uoo uor ur- ura urc urk urn uro urr uru uua uuc uun uur uuu uva uvc uvo uvu uvv v-a vaa vac vak van vao var vau vav vca vcc vcn vco vcr vcu vka vn- vna vno vnr vnu vnv voa voc vok von voo vor vou vov vra vrc vrk vrn vrr vru vuk vur vuv vva vvc vvo vvr vvv