a-a a-c aaa aac aad aah aak aao aar aau ac- aca acc acd ach ack aco acr acu ad- ada adc add adh adk ado adr adu aha ahc ahd ahh ahk aho ahr ahu aka akc akd akh akk ako akr aku aoa aoc aod aoh aok aoo aor aou ar- ara arc ard arh ark aro arr aru au- aua auc aud auh auk auo aur c-- caa cac cad cah cak cao car cau cca ccc ccd cch cck cco ccr ccu cda cdc cdd cdh cdk cdo cdr cdu ch- cha chc chd chh chk cho chr chu cka ckc ckd ckh cko co- coa coc cod coh cok coo cor cou cra crc crd crh crk cro crr cru cua cuc cud cuh cuk cuo cur cuu daa dac dad dah dak dao dar dau dca dcc dcd dck dco dcr dcu dda ddc ddd ddh ddk ddo ddr ddu dh- dha dhc dhd dhh dhk dho dhr dhu dka dkc dkk dko dkr dku doa doc dod doh dok doo dor dou dra drc drd drk dro drr dru dua duc dud duh duk duo dur haa hac had hah hak hao har hau hca hcc hcd hch hck hco hcr hda hdc hdd hdh hdk hdo hdr hdu hha hhc hhd hhh hhk hho hhr hhu hka hkd hkh hkk hko hkr hku hoa hoc hod hoh hok hoo hor hou hr- hra hrc hrd hrh hrk hro hrr hru hua huc hud huh huk huo hur huu ka- kaa kac kad kah kak kao kar kau kca kcc kcd kch kck kcr kcu kda kdc kdh kdk kdo kdr kdu kha khh khk kho khr khu kkc kkh kkk kkr kku koa koc kod koh kok koo kor kou kra krc krd krk kro krr kru kuc kud kuh kuk kur kuu oaa oac oad oah oak oao oar oau oc- oca occ ocd och ock oco ocr ocu oda odc odd odh odo odr odu oha ohc ohd ohh oho ohr ohu oka okc okd okk oko okr oku oo- ooa ooc ood ooh ook ooo oor or- ora orc ord orh ork oro orr oru ou- oua ouc oud ouh ouk ouo our ra- raa rac rad rah rak rao rar rau rca rcc rcd rch rco rcr rcu rda rdc rdd rdh rdo rdr rdu rh- rha rhc rhd rhh rho rhr rhu rkc rkk rko rku roa roc rod roh rok roo ror rou rra rrc rrd rrh rrk rrr rru rua ruc rud ruh ruk ruo rur ruu ua- uaa uac uad uah uak uao uar uau uca ucc ucd uch uck uco ucr ucu uda udc udd udk udo udr udu uha uhc uhd uhh uho uhr uhu uka ukc ukk ukr uku uoa uoc uod uok uoo uor ur- ura urc urd urk uro urr uru uua uuc uur uuu