bibin bibri big-i bigig bigin binit birgi birin birni bitit bitti brigg brigi bring brini brinn brint britt brrrr btr-t gbiti gibbi gibi- giing ginir gitig gitit grigg grini grinn grint grrrr ibtin iggri igigi igni- iiiii iitti inbig inbin ingin ining inini innit innti irbit iring irinn irrit itbig itbit itigi ittti ngiri nibbi niibi ningi ninib ninti nirit nitin nitr- nitti ntini ribbi ribin rig-i rintt rngtt tbtbt ti-ti tibbi tibin tibni tigin tigit tigri tiigi tingi tinig tirig tirit titig titii titin titti tngri tntnt trigg triin tring trini trit- tritn tritt ttttt