a-ak a-ha aaaa aaac aaah aaar aaca aacc aach aack aacr aagh aaha aahk aaka aara aarc acaa acac acag acar acca accc acch acga acgr acha achh achr acr- acra acrc acrr agac agag agar agca agcc agga agha agra ahac ahah ahar ahha ahra ahrc ahrr akaa akah akar akca akha akka akr- akra arac arag arah arak arar arc- arca arch arga argh arh- arka arkh arr- arra arrc arrg arrh arrk arrr caaa caac caah cac- caca cacc cach cack cacr caga cagg cagr caha caka cara carc cark carr ccaa ccac ccag ccar ccca cccc ccga ccgc ccha cchr ccra ccrc ccrg cgac cgcc cgcg chaa chac chag chah chak char chca chch chha chka chra chrc chrr ckac ckch ckck ckga ckrc crac crag crar crca crcc crcr crkc gaar gach gack gaga gagg gaha gara garg garr gc-c gcaa gccc gcrg gggg gghg ghar grac grcc grrr haag haak haar hack hag- haga hagg hagh haha haka hakk hara harc harh hark harr hcca hccc hcch hcgh hgah hgar hggc hhaa hhgg hhhh hkcc hrac hrrc kaaa kaag kaak kaar kacc kach kag- kaga kagc kagg kagh kagr kaha kahc kahr kaka kakc kakh kakk kara karg kark karr kcaa kcac kcah kcar kcca kccc kcck kccr kcgc kcgr kcha kchg kchh kchk kchr kckc kckk kckr kcrc kcrg kcrh kcrr kgac kgak kgcc kgcr kgga kggg kggr kghr kgra kgrc kgrg kgrk kgrr khac khak khar khca khcc khch khck khgc khgg khhg khhk khka khkk khkr khra khrk khrr kkaa kkac kkag kkar kkch kkck kkcr kkgr kkha kkhh kkhk kkhr kkkk kkrc kkrh kkrk kkrr krac krag krah krak krar krca krcc krcg krch krhc krka krkc krkh krkk krkr krrc krrg krrk krrr raag raak rac- raca racc rach rack raga ragg ragh raha rahr raka rakk rara rark rcac rccc rcga rcgc rcrg rhag rhcg rrah rrrr