a-a a-c aaa aac aah aak aao aar aas aau aav ac- aca acc ach ack aco acr acs acu acv aha ahc ahh ahk aho ahr ahs ahu ahv aka akc akh akk ako akr aks aku akv aoa aoc aoh aok aoo aor aos aou aov ar- ara arc arh ark aro arr ars aru arv as- asa asc ash ask aso asr ass asu asv au- aua auc auh auk auo aur aus auv av- ava avc avh avk avo avr avs avu c-- caa cac cah cak cao car cas cau cav cca ccc cch cck cco ccr ccs ccu ccv ch- cha chc chh chk cho chr chs chu chv cka ckc ckh cko cks co- coa coc coh cok coo cor cos cou cov cra crc crh crk cro crr crs cru crv csa csc csh csk cso csr css csu csv cua cuc cuh cuk cuo cur cus cuu cuv cva cvc cvh cvk cvo cvr cvs cvu cvv haa hac hah hak hao har has hau hav hca hcc hch hck hco hcr hcs hcv hha hhc hhh hhk hho hhr hhs hhu hhv hka hkh hkk hko hkr hks hku hoa hoc hoh hok hoo hor hos hou hov hr- hra hrc hrh hrk hro hrr hrs hru hrv hsa hsc hsh hsk hsr hss hsu hsv hua huc huh huk huo hur hus huu huv hv- hva hvc hvk hvo hvr hvs hvv ka- kaa kac kah kak kao kar kas kau kav kca kcc kch kck kcr kcs kcu kha khh khk kho khr khs khu khv kkc kkh kkk kkr kks kku kkv koa koc koh kok koo kor kos kou kra krc krk kro krr krs kru krv ksa ksc ksh ksk kso ksr kss ksu ksv kuc kuh kuk kur kus kuu kva kvh kvk kvo kvr kvs kvv oaa oac oah oak oao oar oas oau oav oc- oca occ och ock oco ocr ocs ocu ocv oha ohc ohh oho ohr ohs ohu oka okc okk oko okr oks oku oo- ooa ooc ooh ook ooo oor oos oov or- ora orc orh ork oro orr ors oru orv os- osa osc osh osk oso osr oss osu osv ou- oua ouc ouh ouk ouo our ous ov- ova ovc ovh ovo ovs ovv ra- raa rac rah rak rao rar ras rau rav rca rcc rch rco rcr rcs rcu rcv rh- rha rhc rhh rho rhr rhs rhu rhv rkc rkk rko rks rku rkv roa roc roh rok roo ror ros rou rov rra rrc rrh rrk rrr rrs rru rsa rsc rsh rsk rso rsr rss rsu rsv rua ruc ruh ruk ruo rur rus ruu ruv rva rvc rvh rvo rvr rvs rvu rvv saa sac sah sak sao sar sas sau sav sca scc sch sck sco scr scs scu scv sh- sha shc shh shk sho shr shs shu shv sk- ska skc skh skk sko skr sks sku soa soc soh sok soo sor sos sou sov sr- sra src srh srk sro srr srs srv ss- ssa ssc ssh ssk sso ssr sss ssu ssv sua suc suh suk suo sur sus suu suv sva svc svk svo svr svs svu svv ua- uaa uac uah uak uao uar uas uau uav uca ucc uch uck uco ucr ucs ucu ucv uha uhc uhh uho uhr uhs uhu uhv uka ukc ukk ukr uku uoa uoc uok uoo uor uos ur- ura urc urk uro urr urs uru usa usc ush usk uso usr uss usu usv uua uuc uur uus uuu uva uvc uvo uvs uvu uvv v-a vaa vac vah vak vao var vas vau vav vca vcc vch vco vcr vcs vcu vh- vha vhc vho vhs vka voa voc voh vok voo vor vos vou vov vra vrc vrh vrk vrr vrs vru vsa vsc vsh vsk vso vsr vss vsu vsv vuk vur vus vuv vva vvc vvo vvr vvs vvv